47 Senior Software Engineer Interview Questions & Answers
Below is a list of our Senior Software Engineer interview questions. Click on any interview question to view our answer advice and answer examples. You may view 5 answer examples before our paywall loads. Afterwards, you'll be asked to upgrade to view the rest of our answers.
Behavioral
1. Can you describe a time you were asked to do something you had never done before? How did you react?
Why the Interviewer Asks This Question
Interviewers will ask this question to determine how you react to new situations and your attitude toward learning new skills and procedures. Employers prefer employees who are willing to learn new skills and thereby contribute more to the organization's business objectives. Curiosity and continuous learning are traits interviewers look for.
Written by William Swansen on May 23rd, 2022
How to Answer
Provide an example of a situation where you were asked to perform a new task. Explain how you readily accepted the job and gathered resources to complete the task. Then describe the results of your efforts and what you learned from the experience. Your answer should follow the 'STAR' response pattern: Situation, Task, Action, Results.
Written by William Swansen on May 23rd, 2022
Answer Example
"In my most recent position, I was asked to lead a seminar on implementing new software development methodologies for Mac systems. Even though I only had experience with Windows and Linux systems, and I'd never done this, I accepted the assignment and researched the topic. I put together a presentation using the information I collected and presented it to my entire department. The seminar was a success, and I learned that I could accomplish any task assigned to me with a little effort and the right resources."
Written by William Swansen on May 23rd, 2022
Behavioral
2. Please describe a situation where you needed to adapt a process, procedure, or technology differently from how you usually did things.
Why the Interviewer Asks This Question
Interviewers are curious to learn how flexible and adaptable you are and if you are willing to learn and expand your knowledge. They know that the job you are being hired for will evolve, and you'll be required to learn new methodologies, processes, and procedures to continue to do the work effectively. They want to ensure that you are capable of this.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to the question, provide the interviewer with a brief description of a situation where you encountered a new challenge and how you addressed it by learning a new process or procedure or acquiring new skills. Describe how the way you reacted to this situation benefitted the company.
Written by William Swansen on May 23rd, 2022
Answer Example
"Recently, our company switched to a new system to be used to develop and store new code in libraries for reuse. I was required to explain this to our internal clients and help them set up their library management programs. Having never done this myself, I first had to learn the system to explain it to the staff. After doing this and gaining confidence in my knowledge, I put together a tutorial and presented it to the entire organization. They quickly adopted the new system, which increased the number of reusable codes by 20% during the first year."
Written by William Swansen on May 23rd, 2022
Behavioral
3. Can you recall a time you were assigned a task that wasn't a part of your job description? How did you handle this, and what was the outcome?
Why the Interviewer Asks This Question
Some employees are reluctant to do anything that is not part of their job description. However, in today's fast-paced business environment, people are often asked to do extra work that may not have been part of their original assignment when they were hired. Interviewers seek to understand how you react when asked to do something not part of your normal job and determine how flexible you are.
Written by William Swansen on May 23rd, 2022
How to Answer
The best way to answer this is to start by stating that you are always open to pitching in wherever you can to help the company get the job done. You should also emphasize that you are open to learning new skills that will help both you and the company. Then describe an incident to illustrate this.
Written by William Swansen on May 23rd, 2022
Answer Example
"I have worked for several small companies where the employees wore many hats. I enjoyed this experience because it allowed me to learn new skills as an information security manager outside of my profession. This helped me grow my portfolio of skills and contributed to the companies' success. In one case, I was asked to attend a trade show to research new software development products from a technical perspective. Even though I had no experience in this area, I accepted the assignment with enthusiasm. Attending the show and interfacing with the suppliers taught me a great deal about how products are developed and marketed, which helped me evaluate new product features and make recommendations for adopting them to our management team."
Written by William Swansen on May 23rd, 2022
Behavioral
4. Can you recall a time your manager was unavailable when a situation arose that demanded an immediate resolution? How did you react?
Why the Interviewer Asks This Question
While this appears to be a question about leadership, it addresses your willingness to take the initiative. The interviewer is interested in this because it helps them determine your future growth potential. Organizations like to hire individuals who continually improve themselves and develop new skills, allowing them to advance within the company.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to this question, emphasize your willingness to take the initiative rather than complain about the manager's absence. Explain why you felt the need to take action and describe how you did so to resolve the immediate situation and then review the issue and your actions with your manager. Be prepared to answer a follow-up question about what you would do differently next time.
Written by William Swansen on May 23rd, 2022
Answer Example
"Recently, my manager was away on vacation, and I was asked to fill in for them. A conflict arose between our team and another department that demanded an immediate resolution. The manager from the other department insisted we do what they wanted since our manager was not available. Knowing this was not the best solution, I presented an alternative and recommended that we discuss this with the senior leadership team to get their input. The other manager agreed. Working with senior leaders, we developed a compromise that resolved the conflict. When my manager returned from vacation, I briefed them on the incident, and they agreed I had acted appropriately."
Written by William Swansen on May 23rd, 2022
Behavioral
5. Tell me about a difficult decision you had to make in one of your previous roles.
Why the Interviewer Asks This Question
The interviewer is looking for examples of your decision-making process and how you approach difficult challenges or situations. They want to learn more about how decisive you are and whether you are willing to make difficult choices. The interviewer hopes to see that you are willing to put the organization's interests ahead of your personal feelings.
Written by William Swansen on May 23rd, 2022
How to Answer
When answering this question, choose a situation in which you made a decision involving a personal sacrifice or two equally undesirable outcomes. Explain the choice you made, your rationale, and the outcome. Then briefly discuss what, if anything, you would have done differently based on the outcome.
Written by William Swansen on May 23rd, 2022
Answer Example
"During a recent downturn in business, I was required to reduce my staff. Every team member was well qualified and valuable to the organization, so choosing who to let go was difficult. After much consideration, I decided to dismiss one of the more experienced workers, knowing that they could easily find another job within the industry with my recommendation. This allowed me to develop one of the junior staffers, increasing their skills and making them more valuable to the organization. I would make the same decision if presented with this situation again."
Written by William Swansen on May 23rd, 2022
Behavioral
6. Can you give me an example of a time you led by example and describe what you did and how your team reacted?
Why the Interviewer Asks This Question
Interviewers ask this question to prompt you to talk about your leadership style, hoping you will describe how you lead from the front by example rather than from the back by exercising your authority. They recognize that teams perform better when they believe in their leadership and are willing to follow their example. By asking this question, the interviewer can discern whether you will be an effective leader.
Written by William Swansen on May 23rd, 2022
How to Answer
Since this is a behavioral question, format your answer in the STAR framework by first describing a Situation and the Task you were required to complete. Then, describe how you Acted by demonstrating the behavior you needed the team to exhibit. Finally, discuss the outcome of the project or task and what your team learned from the example you set. Make sure you communicate how you led by example and how this motivated the team to accomplish the assigned task.
Written by William Swansen on May 23rd, 2022
Answer Example
"In my most recent role, my team and I were tasked with implementing a new process. Since none of us had experience in this area, I researched the process and created a training curriculum. I presented this to the team, participating in the exercises which simulated the new process. Together, we debugged the process, created an implementation plan, and launched the process. By fully participating in each aspect of the project, I demonstrated to the team that I was willing to roll up my sleeves and work alongside them to make the project successful. They acknowledged this and expressed their willingness to replicate the process on future projects."
Written by William Swansen on May 23rd, 2022
Behavioral
7. Describe a situation where you needed to persuade someone about an idea or process.
Why the Interviewer Asks This Question
The interviewer will ask you this question because they are interested in learning about your communication and leadership skills and how you apply them to accomplish the tasks required in this role. Persuading other people about your ideas and suggestions is a valuable skill. Interviewers recognize that this will make you more effective in the job and reduce conflict between you and other team members.
Written by William Swansen on May 23rd, 2022
How to Answer
You can answer this question using the STAR format, describing how you seek to understand other people's points of view, acknowledging them, then offering them an alternative and the rationale behind it. You can then describe how you addressed any questions and concerns they had and developed a win-win scenario with a positive outcome.
Written by William Swansen on May 23rd, 2022
Answer Example
"I take great pride in my ability to convince others of my ideas and suggestions. First, I solicit others' input, carefully listening to their ideas and acknowledging them. If their suggestions are appropriate, we move forward. However, if I believe we can improve on them, I state my ideas and recommendations and explain why I believe in them. I then answer any questions they may have and drive for a consensus in which all the parties are satisfied we are moving in the right direction."
Written by William Swansen on May 23rd, 2022
Behavioral
8. Please tell me about a time when something major didn't go according to plan at work.
Why the Interviewer Asks This Question
Responding to situations that don't go according to plan is a key characteristic that interviewers look for. They will ask you a question like this to determine how you react to unforeseen circumstances. This provides them an indication of your flexibility, responsiveness, and creativity.
Written by William Swansen on May 23rd, 2022
How to Answer
Since this is a behavioral question, you should utilize the 'STAR' response methodology. Make sure to stay positive, don't blame anyone else for the problem, and don't take full credit for the solution. Demonstrate how you worked with others to resolve the situation. As with any behavioral question, discuss the results you attained and possibly the lessons learned, especially if the outcome wasn't optimum.
Written by William Swansen on May 23rd, 2022
Answer Example
"During a recent software update project, the versions of the software we ordered were not correct. We reviewed the purchase order and determined that the software had been ordered incorrectly. Since the software seals had been broken, we couldn't return the product, nor was the manufacturer likely to agree to correct this because it was our error. Even though this involved additional expense, my manager and I agreed it would be quicker to order the correct versions of the software so we could proceed with the upgrade. We did this and were able to install the software without any major delay in the project. This taught us to carefully review the software versions we had and needed before ordering new products or performing any upgrades."
Written by William Swansen on May 23rd, 2022
Behavioral
9. Can you give me an example of when you had to work with someone difficult to get along with? How did you handle the situation?
Why the Interviewer Asks This Question
This is a behavioral question to which the interviewer expects a 'STAR' formatted answer: Situation, Task, Action, Result. Interviewers ask behavioral questions to determine how you react to challenging situations in the workplace. Your description of how you handled this in a previous job will indicate what you will do if hired by the organization. Behavioral questions typically involve challenges, relationships, conflict, or communication errors.
Written by William Swansen on May 23rd, 2022
How to Answer
This is a behavioral question to which the interviewer expects a 'STAR' formatted answer: Situation, Task, Action, Result. Interviewers ask behavioral questions to determine how you react to challenging situations in the workplace. Your description of how you handled this in a previous job will indicate what you will do if hired by the organization. Behavioral questions typically involve challenges, relationships, conflict, or communication errors.
Written by William Swansen on May 23rd, 2022
Answer Example
"In one of my recent jobs, I was partnered with another employee who was not open to new ideas and suggestions. Their attitude was 'my way or the highway.' We were tasked to develop a new process for using advanced encryption techniques more effectively. I asked for their ideas and noted that while they were good, it would be more efficient to modify them slightly. We developed a consensus about the new process by accepting their initial suggestions and only recommending minor modifications. We recommended this to management, and the new process was implemented. This resulted in significant savings for the company and made it easier for my colleague and me to work together on future projects."
Written by William Swansen on May 23rd, 2022
Behavioral
10. What's a misconception your coworkers have about you, and why do you believe they feel this way?
Why the Interviewer Asks This Question
This may be a trick question to get you to identify a weakness you have or are perceived to have. Interviewers will ask this to uncover a weakness or determine how self-aware you are. They also want to know if you'll answer this question positively or say something negative about yourself or your coworkers.
Written by William Swansen on May 23rd, 2022
How to Answer
Since the interviewer is asking you to reveal either a real weakness or behavior that appears to be a weakness, it may be hard to answer this question. Your answer should either point out a minor flaw that you are working to correct or discuss a strength your coworkers and managers are unaware of. In any case, remain positive when answering this question.
Written by William Swansen on May 23rd, 2022
Answer Example
"My coworkers sometimes mentioned that I'm not very social. This is because I tend to focus on the job more than socializing while at work. They don't see that when I'm not working, I spend a lot of time enjoying the company of my friends who share my interests in the outdoors."
Written by William Swansen on May 23rd, 2022
Behavioral
11. Tell me about an aspect of your profession that makes you the most satisfied, energized, and productive at work.
Why the Interviewer Asks This Question
This question is meant to uncover your passion and what you enjoy doing. Interviewers know that people do their best work when they are passionate about what they do. They will ask questions like this to discover if you are truly passionate about this job or just doing it for the money.
Written by William Swansen on May 23rd, 2022
How to Answer
This is a great question to ask yourself before beginning your job search. It will help you target specific jobs that you enjoy doing and will therefore be good at. This will enable you to answer this question when asked by an interviewer by simply describing a task you enjoyed working on related to the job you are applying for.
Written by William Swansen on May 23rd, 2022
Answer Example
"One of my favorite parts about this profession is collaborating with organization members from other departments. I enjoy working together to determine how to achieve the business's objectives. Participating as a member of a creative team is one of the best aspects of this job."
Written by William Swansen on May 23rd, 2022
Discovery
12. Tell me about a recent project you managed that relied on a source control system to direct your team.
Why the Interviewer Asks This Question
Source control, also known as version control, is a technique for managing changes during a software development project. The benefits of this are tracking changes in case one of them has an unintended impact on the software's execution. Source control will make it easy to identify which of the changes caused the problem and enable the software developers to revert to an earlier version of the software. Source control also documents the development efforts, which can be reused to replicate the software development process for another project.
Written by William Swansen on May 23rd, 2022
How to Answer
When preparing for an interview, you should create several different stories you can use to answer questions like this one. These stories will help you organize your answers and illustrate how you've contributed to the objectives of your previous employers. Having a story prepared also helps you quickly answer the question in a concise and organized manner.
Written by William Swansen on May 23rd, 2022
Answer Example
"I implement source control on all my software development projects. For example, on a recent project in which we were asked to develop a healthcare enrollment and management system for the company, we used the Agile methodology to create the application. At each step of the process, my team documented the work performed on the software and assigned it a version number before moving on to the next development phase. This came in handy when we encountered a SQL error which we discovered was based on the most recent code implemented. We were able to roll back the software to a previous version and implement the SQL commands correctly."
Written by William Swansen on May 23rd, 2022
Discovery
13. What experience do you have with Agile software development? What do you like about this methodology?
Why the Interviewer Asks This Question
Virtually every software development organization uses the Agile methodology for software development. Interviewers expect you to be familiar with this and be able to discuss it in depth. This is another qualifying question that will indicate your compatibility with the organization and your ability to perform the task required by this job.
Written by William Swansen on May 23rd, 2022
How to Answer
If you mention Agile in your previous answers during the interview, you're likely to be asked about it in more detail in a subsequent question. As a senior software engineer, you should be intimately familiar with various development processes, including Agile, SCRUM, and Waterfall. Even if you have not used one of these processes and one of your previous positions, you should describe them and their advantages and some of the additional tasks they add to the development process. If you have thoroughly researched the organization before the interview, you will understand which of these processes they use and be prepared to answer questions about it.
Written by William Swansen on May 23rd, 2022
Answer Example
"I have used the Agile software development methodology in several of my previous positions. I like this process because it is an iterative development methodology that requires a great deal of collaboration between all the stakeholders involved with a software development project. Before beginning work, the team holds daily standup meetings to review what was accomplished during the previous day and plan the upcoming activities. This provides the team with the opportunity to confirm that they are moving in the right direction and to catch any errors which may have occurred during the development process, correcting them before they have a greater impact on subsequent activities or the final product. My experience has been that the Agile methodology enables teams to deliver software products quicker, with greater accuracy, and higher quality."
Written by William Swansen on May 23rd, 2022
Anonymous Interview Answers with Professional Feedback
Anonymous Answer
Amanda's Feedback
Discovery
14. Are you familiar with service-oriented architectures? When do you use them?
Why the Interviewer Asks This Question
As a senior software engineer, you should be familiar with various software development methodologies and approaches. Using service-oriented architectures, or SOAs is a common approach to software development. The interviewer will ask this question to confirm that you're familiar with this methodology and can provide them with an example of how you use it.
Written by William Swansen on May 23rd, 2022
How to Answer
When preparing for an interview as a senior software engineer, you should anticipate these types of questions and review the methodologies you use when you develop programs. While you can never be prepared for every question the interviewer will ask, your research before the interview will help you understand their software development practices and methodologies. Focus on these during your preparation.
Written by William Swansen on May 23rd, 2022
Answer Example
"I use service-oriented architectures, or SOAs quite a bit. While they are a little cumbersome when creating the original software components or code, they are invaluable when my team and I need to access our library of programs and reuse the code we've already created. To make his effective, we make sure that we use industry-standard and common interfaces as well as standard architectural patterns in our code so that they can be implemented in a variety of different situations."
Written by William Swansen on May 23rd, 2022
Anonymous Interview Answers with Professional Feedback
Anonymous Answer
Amanda's Feedback
Discovery
15. What was the biggest development team you have managed and what was the biggest challenge you faced?
Why the Interviewer Asks This Question
An interviewer will ask about the size of the teams you manage to better understand the scope of control you are comfortable with. They want to make sure that you will be able to manage or lead their teams. The role of a senior software engineer does not imply management responsibility. However, at the very least, you'll be acting as a team lead and expected to give direction, mentoring, and task supervision to junior software engineers.
Written by William Swansen on May 23rd, 2022
How to Answer
As a senior software engineer, you should anticipate being as this question during an interview. If you haven't directly managed a team, talk about your team leadership experience and the skills you obtained from being a senior member of a software development team. You can also discuss how you have mentored and developed some of the junior members of your team.
Written by William Swansen on May 23rd, 2022
Answer Example
"While I've never actually managed a software development team, I was a team lead for a group of eight software engineers assigned to a specific development project. In this role, I was expected to support the other engineers, answer any questions they may have had, train them in technologies they were unfamiliar with, and ensure that they stayed on task with their assignments. I reported directly to the group manager, who had several teams like mine under their control. The biggest challenged I faced was staying on task with my assignments while assisting the rest of the team. I overcame this by focusing on my tasks early in the day before the other team members were active and encountering issues. I feel very comfortable in this role and can easily see myself formally managing a software development team."
Written by William Swansen on May 23rd, 2022
Anonymous Interview Answers with Professional Feedback
Anonymous Answer
Amanda's Feedback
Discovery
16. When was the last occasion you asked for direct feedback from your manager?
Why the Interviewer Asks This Question
The interviewer will ask this question to separate you from most applicants. This is because many professionals don't ever seek feedback from their supervisors. Interviewers prefer candidates who constantly seek feedback so they can immediately correct any deficiencies they may have or incorrect actions they are taking. The best professionals know that the only way to get better news is to engage their colleagues for feedback and suggestions.
Written by William Swansen on May 23rd, 2022
How to Answer
Requesting feedback from the people you work with demonstrates your desire to improve. Most employees avoid receiving feedback, fearing that it will be negative. By actively seeking it, you demonstrate courage, a willingness to be open to criticism, and the initiative to improve. Describe a time you felt you didn't complete a task properly and sought feedback to correct your process so you'd do better next time.
Written by William Swansen on May 23rd, 2022
Answer Example
"I have found that one of the best ways to improve myself is to continually seek feedback from the people I work with. Both my colleagues and my management team have perspectives that I don't and can spot weaknesses that I need to work on to improve. Therefore, I am constantly asking them about my performance. I also ask them for any suggestions they have and resources I can use to improve my skills and expertise. I do this continuously, and it has been very valuable."
Written by William Swansen on May 23rd, 2022
Discovery
17. Can you tell me what your home network consists of?
Why the Interviewer Asks This Question
The interviewer may ask you several different discovery questions to learn more about your background beyond what they read in your resume when beginning an interview. These questions provide them with the information they can use throughout the interview. These questions also begin the conversation, creating a dialogue between you and the interviewer. Another goal of these questions is to relax you, so the interviewer gets a clearer picture of how you respond when not feeling stressed because of the interview.
Written by William Swansen on May 23rd, 2022
How to Answer
Since discovery questions are general, there is no way to prepare for these. The best way to respond is frankly and honestly. Keep in mind that the information you provide the interviewer may be used for additional questions throughout the interview. This allows you to guide the interviewer toward areas you're comfortable talking about.
Written by William Swansen on May 23rd, 2022
Answer Example
"My home network is quite basic. It consists of a cable modem, a Wi-Fi router, and two PCs hardwired to the router. There are also several wireless devices connected to the network, including a laptop, several cell phones, an Amazon Fire Stick, and several devices for the home security system. I require two-step authentication to access the wireless network."
Written by William Swansen on May 23rd, 2022
Discovery
18. What is a professional achievement that you are proud of?
Why the Interviewer Asks This Question
If your resume or CV is well written, it will detail some of your significant achievements and the contributions you've made to your previous employers. The interviewer asks this question to determine which of these you're most proud of and why. They hope to learn about your efforts to achieve the objective and how they contributed to your organization's success or business objectives.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to this question, try to have an achievement in mind that will demonstrate how you can help the interviewer's organization achieve one of its business objectives or goals. Employers hire individuals to help them make money, save money, or save time. Demonstrating how you can do this with all your answers during an interview will help convince the interviewer that you are the right person for this job.
Written by William Swansen on May 23rd, 2022
Answer Example
"One of my professional achievements that I am most proud of is helping my current employer reduce the time required to debug the first iteration of a new program by 50%. I did this by implementing Agile development practices in our software development process to identify and correct errors at each stage of the process rather than at the end. Since the programmers had just created the code with the errors, they were better able to identify and correct them. This also eliminated cascading errors due to earlier bugs that multiplied when subsequent mistakes were made."
Written by William Swansen on May 23rd, 2022
Discovery
19. Why did you choose to interview with our organization rather than with others in our industry?
Why the Interviewer Asks This Question
You should anticipate being asked this question in every interview. Employers want to know why you chose their specific company to interview with. They prefer to hire employers who are passionate about their work and the organization. This question is also meant to determine how much research you have done about the company.
Written by William Swansen on May 23rd, 2022
How to Answer
If you expect this question during every interview, you can be prepared to answer it based on your research of the company before the interview. Mention something about the company's recent achievements, business prospects, or work culture. You may also want to refer to the company's challenges and how you can help them address these based on your skills and experience.
Written by William Swansen on May 23rd, 2022
Answer Example
"One of the reasons I chose to interview with your organization is that my research indicated you are a leader in this field. The products and services you provide have been developed through the innovation and creativity of your staff. As the industry pivots towards new technologies, I believe I can help you maintain this leadership position utilizing my information security skills and experience."
Written by William Swansen on May 23rd, 2022
Discovery
20. What's the most interesting thing about you that I didn't see on your resume?
Why the Interviewer Asks This Question
Interviewers like to ask this question to learn more about your personality and determine whether you will fit into their corporate environment. By inviting you to the interview, they've already indicated that you have the skills and qualifications necessary to perform this job. The purpose of the interview is to confirm this and see how well you will fit into their culture.
Written by William Swansen on May 23rd, 2022
How to Answer
You can answer this question by giving the interviewer information about yourself that is not controversial and will support your qualifications for the position. Examples may be musical talent, an interesting hobby, or an unusual experience you had. Your research about the organization and its culture will help you prepare for this question.
Written by William Swansen on May 23rd, 2022
Answer Example
"One thing that is not on my resume is my volunteer work with disadvantaged youth. I enjoy mentoring young people and helping them develop skills they can use to further their education, prepare for a profession, and navigate their way through life. I enjoy the satisfaction I get from seeing them reach their full potential. This experience has made me more comfortable seeking mentoring and development advice from my management team."
Written by William Swansen on May 23rd, 2022
Discovery
21. What motivated you to make a move from your current role?
Why the Interviewer Asks This Question
Interviewers will ask this, knowing it is a potential 'trick' question that may prompt you to speak poorly of your current job, organization, or supervisor. They know that if you do this in your current situation, you will likely do it if you elect to leave their organization. Interviewers seek to hire candidates who are positive and move toward new opportunities rather than away from bad ones.
Written by William Swansen on May 23rd, 2022
How to Answer
When answering questions like this, be positive and explain that you are moving towards something new, not away from something old. Discuss your desire to be challenged and the rewards you will get by helping a new organization achieve its objectives. Also, talk about the opportunity to improve yourself by acquiring new skills and experiences in a new position.
Written by William Swansen on May 23rd, 2022
Answer Example
"While I enjoy the work I do and the organization I am associated with, I'm always looking for new challenges and opportunities to develop myself. While researching this job, I discovered that your organization would benefit from my experience, skills, and expertise to address your current challenges. I also noted that this role would expose me to opportunities to learn new skills, develop new relationships, and improve my overall qualifications. Finally, this job represents an increase in responsibility which I am always seeking."
Written by William Swansen on May 23rd, 2022
Operational
22. Describe to me how you would implement a linear search in JavaScript.
Why the Interviewer Asks This Question
The interviewer will ask you this question to better understand how you use algorithms and data structures when programming. It also provides them insight into your knowledge of JavaScript. They are interested in your skills in this and other areas related to this job. These types of questions are used to screen candidates and will usually be asked in the middle or heart of the interview, after the general questions, and before they ask you if you have any questions for them.
Written by William Swansen on May 23rd, 2022
How to Answer
When preparing for an interview for a senior software engineer's role in which you will be doing front-end or full-stack web development, you will want to refresh yourself on JavaScript, the commands it uses, and its programming structure. You are sure to be asked about each of these topics throughout the interview. One of the key skills the interviewer will be looking for is your ability to create algorithms within JavaScript to accomplish specific tasks.
Written by William Swansen on May 23rd, 2022
Answer Example
"The most common use of a linear search is to locate a specific target value within a data list. The algorithm is written in such a way that it examines each element of the list to see if it matches the values defined within the query."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
23. When do you use black box testing and white box testing to test a website?
Why the Interviewer Asks This Question
There are several different tests programmers and organizations use when developing an application to ensure that it will function properly when put into production. These include stress tests, capacity tests, integration testing, and system testing. Tests specific to websites include black box and white box testing. The interviewer will ask you this question to determine your familiarity with the testing methodologies and your preferences when developing software products.
Written by William Swansen on May 23rd, 2022
How to Answer
As a senior software engineer, you need to be familiar with the various testing methodologies, be able to describe them, and discuss which ones you use when programming. Even if you do not program for websites, you should still discuss both black box and white box testing and how they are used. Refreshing your familiarity with various testing methodologies is used before the interview will help you respond to this question easily.
Written by William Swansen on May 23rd, 2022
Answer Example
"Both black box and white box testing methodologies are good ways to verify the functionality of a newly designed or modified website. While these two methodologies are similar, they have slight differences. The key one is that with black-box testing, the details of the website, including structure, design, and implementation, are not known to the tester. When using white box testing methodologies, these details are known. Knowing the structure and design specifics of the website will enable the tester to stress the site beyond what it would normally experience from casual users and others who were not aware of these."
Written by William Swansen on May 23rd, 2022
Anonymous Interview Answers with Professional Feedback
Anonymous Answer
You could hire a security company to perform black box testing on your website or your APIs to ensure that there are no known exploits or vulnerabilities that you are exposed to. On the other hand, you could write automated integration tests to handle white box testing of your application to verify that new production builds do not break previous functionality."
Amanda's Feedback
Operational
24. Describe for me some of the techniques you use to monitor the performance of your software.
Why the Interviewer Asks This Question
A senior software engineer's responsibility for the performance of the programs they develop extends beyond the initial launch. You and your team are responsible for monitoring the software, determining if it is performing to specs, and modifying it if necessary. The interviewer seeks to hear that you understand this responsibility and the techniques and methodologies you use to accomplish it.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to this question, you can talk in generalities or discuss the details of the specific processes and tools you use to monitor your programs. It's best to start at a high level and then delve into the details if you feel the interviewer is interested in them. They will indicate their interest by asking follow-up questions or simply remaining silent after you answer the question. You can always ask a qualifying question to determine if they want you to provide more information.
Written by William Swansen on May 23rd, 2022
Answer Example
"My team and I need to continue to monitor the performance of our programs after they are put into production. We accomplish this using several different tools which monitor the program's performance. The information these tools collect is then placed into a graph to see which factors are impacting the program's performance the most. This ensures that the programs perform as they were designed to and provides us feedback for our design methodologies and how well they function in the real world. Items we look at include processor speed, disk space usage, memory usage, latency, and the number of programs running concurrently or in the background."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
25. Describe to me how you organize CSS files and why you prefer your approach.
Why the Interviewer Asks This Question
The interviewer will ask you this question to test two characteristics: your attention to detail and organization and your familiarity with principles related to the front-end development of web applications. While this question is more relevant to candidates applying for a senior software engineer role that involves web application development, interviewers can ask this of any software development professional to understand the breadth of their skills and knowledge.
Written by William Swansen on May 23rd, 2022
How to Answer
When preparing for this type of interview, make sure you review concepts used in various software development roles so you will be able to respond to the questions you are likely to be asked. Even though you probably already know how you organize CSS files, practicing the answer will help you refine it. While you can't possibly prepare for every single question the interviewer will ask, the more you research and practice before the interview, the better you will perform during it.
Written by William Swansen on May 23rd, 2022
Answer Example
"While there are many different ways to organize CSS elements and files when developing front-end software for a website, I prefer an organization schema that is simple, logical, and easy to manage. Examples include using layouts.css to manage layouts and segments, typography.css for font and format elements, forms.css for forms and labels, list.css for list styles, and tables.css for table-specific styles. I use labels that describe the contents of the files and group content similar to each other within the file. This file structure makes it easy for my team and me to locate the CSS elements we need for our web designs."
Written by William Swansen on May 23rd, 2022
Operational
26. How do you structure data tables if you create a program to manage a point of sale operation?
Why the Interviewer Asks This Question
Creating and managing data tables within a software application is a critical skill senior software engineers need. When interviewing for this job with a specific organization, it should be straightforward to determine the organization's type of data and organize the tables within the applications to facilitate their operations. This question asks specifically about point of sale operations, common to retail or online transactions.
Written by William Swansen on May 23rd, 2022
How to Answer
Make sure you structure your answers to address the organization's specific needs. You can learn about these through your research of the organization's operations, corporate goals, and the specific requirements of the job you're interviewing for. The more closely your answer matches these criteria, the better you will be perceived as the appropriate candidate for this position.
Written by William Swansen on May 23rd, 2022
Answer Example
"I always structure the data tables for an application to support the operational requirements of the organization I am working with. When creating data tables for a point of sale operation, I determine the elements the operation will need to manage. For example, I would first set up a table for each inventory item for a big-box retailer. I would then set up tables specific for each department within the store. The next set of tables would be for each vendor and would be independent of the vendors' types of products. Finally, I would set up a data table for the customers to track their transaction history so the marketing department could create specific offerings to incent them to come back to the store."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
27. What methodologies do you use to ensure that your program will scale?
Why the Interviewer Asks This Question
Creating programs that scale is a critical skill in today's fast-changing business environment. Businesses need appropriate applications for their current size and activity level but that can also grow as the business grows. Developing scalable programs saves the business money during the initial development cycle. Also, it prevents them from reprogramming the applications or adopting new ones when the business activity increases beyond the capability of the current program.
Written by William Swansen on May 23rd, 2022
How to Answer
Your answer to this question should discuss the specific techniques and methodologies you use to accomplish the objective of ensuring that the program will scale. The more detailed you are, the better your answer will be perceived, and you will be more likely to be considered a viable candidate for this position. As with any question, be prepared for a follow-up which the interviewer will use to explore the topic in more detail.
Written by William Swansen on May 23rd, 2022
Answer Example
"The first step in a software development lifecycle process is to define the requirements for an application. During this phase, I inquire about the possibility of the operation related to the program expanding or growing and the need for the program to scale. Once I confirm this need, I'd then go about developing a program with scalable features. The methodologies I use to accomplish this include using microservices instead of a monolithic architecture, assigning the appropriate caching, queues, and databases, and selecting the appropriate development language and deployment platform. Languages I prefer for scalable programs include Ruby and Django if it is a web application. I'm also more inclined to develop the application to run on a cloud platform which provides the greatest flexibility and scaling."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
28. What is harding and how is it used in the programs you create?
Why the Interviewer Asks This Question
Interviewers will ask you about sharding for two reasons. The first is to confirm that you understand the technology and how it is used. The second is to determine how analytical you are and your approach to problem-solving. Keep both of these in mind when responding to the interviewer.
Written by William Swansen on May 23rd, 2022
How to Answer
Since this is a technical question, you should keep your answer brief and to the point. Make sure to use non-technical, easy-to-understand language and always anticipate a follow-up question. Following these guidelines for any technical question you are asked will help you to respond appropriately and perform well during the interview.
Written by William Swansen on May 23rd, 2022
Answer Example
"Sharding involves dividing large tables into smaller ones, which are called shards. A shard is structured as a horizontal data partition that contains a subset of the total data set, which can then serve a portion of the overall workload. The shards are then spread across multiple servers. This makes it possible to store an extensive data set and, in turn, increases the database's performance when the programs do lookups. Sharding is different than partitioning in that it distributes the individual datasets across multiple servers whereas partitioning divides the datasets but keeps them on the same server."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
29. What criteria do you use when deciding whether to use a SQL solution instead of NoSQL for your project?
Why the Interviewer Asks This Question
While SQL and NoSQL database solutions are viable, each has a specific purpose and advantages when used properly. Knowing this and communicating it effectively is the key to responding to the interviewer's question. The use of SQL and NoSQL can be debated. Your ability to communicate the advantages of each one and the criteria you use to determine this is what the interviewer is interested in.
Written by William Swansen on May 23rd, 2022
How to Answer
Knowing the differences between SQL and NoSQL is critical for the role of a senior software engineer. Communicating your understanding of this topic effectively is the key to responding appropriately to the interviewer's question. Make sure to state your answer in simple, easy-to-understand language, and don't assume that the interviewer has a technical background.
Written by William Swansen on May 23rd, 2022
Answer Example
"Both SQL and NoSQL database solutions are helpful if used properly. When NoSQL was introduced, the common process was to start with NoSQL for smaller database requirements and then evolve to a SQL solution as the database grew. Now, it is easier to project how big the database will be, and you can start with the appropriate solution. It is far easier to start with a SQL database and allow it to grow than to start with NoSQL and have to transition to SQL at some time in the future."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
30. Please walk me through the process you use to decide between two technologies when both will get the job done.
Why the Interviewer Asks This Question
The purpose behind this question is twofold. The first is to demonstrate your communication skills and your ability and persuade an audience into agreeing with your decision or recommendation. The second is to understand whether you would be a good culture fit within the organization and your approach to collaborating with the rest of the team. The interviewer may ask this question in a different format using a specific scenario, such as choosing between hosting an application in-house or with a web service provider such as AWS.
Written by William Swansen on May 23rd, 2022
How to Answer
When an interviewer asks you to walk them through a process you use, you should first pause and organize your thoughts before responding. Break down each part of the process into a simple, easy-to-understand step and present these in the order you use them. Don't provide too many details. The interviewer will ask you a follow-up question if they need more information.
Written by William Swansen on May 23rd, 2022
Answer Example
"When asked to choose between two equally effective technologies, I use several criteria to select the one most appropriate for the situation. I consider each technology's effectiveness, cost, ease of implementation, and impact on the organization. I also consider the team's experience with these technologies and the risk associated with each one. Once I've decided on the technology, I put together a presentation for the team and other stakeholders which outlines my rationale and provides a summary of each of these criteria, and invite their feedback and input before making the final decision."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
31. Can you demonstrate how you would implement Dijkstra's Shortest Path in the programming language you normally work with?
Why the Interviewer Asks This Question
As the interview continues, you will be asked more technical questions. While some of these will be fairly standard and straightforward, others will be complicated. The more challenging the question, the more confidence the interviewer has in your abilities and is willing to explore your qualifications more. This is an indication that you are doing well in the interview. Continue to answer technical questions directly and succinctly, using clear, understandable language.
Written by William Swansen on May 23rd, 2022
How to Answer
The interviewer will ask you this question because the organization likely utilizes this methodology in its current programming processes. He will make sure that you are familiar with this and can immediately begin implementing it if hired. You will likely be asked about several processes, methodologies, and practices the organization uses. Companies prefer to hire employees who can quickly integrate themselves into the organization and become productive as soon as possible.
Written by William Swansen on May 23rd, 2022
Answer Example
"Dijkstra's algorithm is used for finding the shortest path between nodes with positive-edge weights in a graph. Sometimes it is also used to find the shortest path from a single node to a single destination. This is accomplished by stopping the algorithm once the shortest path has been determined. It is widely used in applications which involve artificial intelligence and calculations to determine the efficiency of an operation."
Written by William Swansen on May 23rd, 2022
Operational
32. As a senior software engineer, you will be expected to lead a development team. How would you prioritize the tasks you assign to each developer to improve collaboration?
Why the Interviewer Asks This Question
While senior software engineers are not necessarily formal managers, they will likely function as the team lead. In this capacity, they are expected to be able to assign tasks to each team member. How you go about assigning the task and the criteria you use will demonstrate your qualifications as a lead software engineer and provide the interviewer with a high level of confidence in hiring you for this role.
Written by William Swansen on May 23rd, 2022
How to Answer
This is another question you need to stop and organize your thoughts before answering. You may want to create a scenario in your mind for a specific project which would require you to delegate tasks across the team. Then, describe how you would prioritize the tasks and assign them to the appropriate team member whose skills and experience match the task requirements they are assigned. Be prepared for follow-up questions from the interviewer about the criteria you use to accomplish this.
Written by William Swansen on May 23rd, 2022
Answer Example
"When assigning tasks to each developer on my team, I consider their background, experience, and skills. I initially assign them tasks that they are capable of completing on their own. I then review the list and see if there are opportunities to partner two members on a specific task so that the senior member can mentor the junior one and help increase their skill set. Once the individual tasks are delegated, I checked in with each team member throughout the development cycle to ensure they progress with the assignment, have the resources they need, and provide any support or answer any questions. This methodology has always resulted in the successful completion of the project."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
33. Can you describe the design patterns you use and when you use them?
Why the Interviewer Asks This Question
Software design patterns are repeatable solutions to commonly occurring issues in software development. It is a general outline of approaching software development rather than a specific solution or piece of code. It can be thought of as a template. Using design patterns allows software developers to quickly create a development plan and outline for the software program. As a senior software engineer, you should have several designs you typically use when beginning a software development project. These will very likely be associated with the common types of software you work on.
Written by William Swansen on May 23rd, 2022
How to Answer
Software design patterns are common to this profession, so you should anticipate being asked this question during an interview. Having some examples of how you use these prepared will help you quickly respond to the interviewer's question. Better yet, use the information you discovered during your research to create examples that align with the current development methodologies of the organization's software development team. The closer your answers align to their current operations, the more likely you will be perceived as a good fit and offered the position.
Written by William Swansen on May 23rd, 2022
Answer Example
"I am a big believer in software design patterns. Starting with a template makes it much easier to create a software development plan and a strategy for the code I am about to write. Some of the more common design patterns I employed are Singleton, Factory Method, Observer, Builder, and Strategy. I select the most relevant pattern for the type of software I am developing and which will lead to the best outcomes in the shortest amount of time."
Written by William Swansen on May 23rd, 2022
Operational
34. When do you feel it is appropriate to follow "procedural" logic when developing software?
Why the Interviewer Asks This Question
Procedural logic is a programming paradigm that creates step-by-step instructions for executing a software program. There are both advantages and disadvantages to this approach. The interviewer wants to understand your position on this topic and how you would use procedural logic in your software development efforts. The organization may currently use this methodology or may be considering adopting it. Keep in mind that you are expected to both fit into the organization's software development team and contribute to improving its operations.
Written by William Swansen on May 23rd, 2022
How to Answer
As a senior software engineer, you should be familiar with procedural logic and comfortable discussing when it can be used and when it would not be appropriate. As with any technical question, make sure you use simple, easy-to-understand language and avoid using acronyms or technical jargon the interviewer may not be familiar with. Also, anticipate follow-up questions that the interviewer will use to explore the topic in more detail.
Written by William Swansen on May 23rd, 2022
Answer Example
"Procedural logic is a software methodology that specifies step-by-step instructions and the logic required to execute the program. When programming using procedural logic, the focus is on how the program is executed rather than its rationale or alternatives. It differs from object-oriented programming, which uses individual objects or pieces of code that could be interchanged, extended, or reused. This is a more complex but more flexible approach to software programming. Procedural logic programming is more appropriate for rigorous and well-structured programs such as accounting, inventory control, and similar applications. I would not use it if there were several different alternatives to a specific activity or query."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
35. Please walk me through the process you use when assigned a programming project, starting with defining the requirements and going through delivery.
Why the Interviewer Asks This Question
An interviewer will be interested in how you approach a software development project. They want to confirm that your approach is well organized, logical, and, most importantly, aligns with the one used by their current software development team. This last criterion will determine your fit for the organization or whether you need to be re-educated on their processes and procedures.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to this question, walk the interviewer through your process, starting from the initial requirements analysis and going through development, testing, and product launch. Keep your explanation at a high level with few details. The interviewer will ask a follow-up question if they want to explore your methodology in more detail.
Written by William Swansen on May 23rd, 2022
Answer Example
"When assigned a new software development project, I use a very structured approach to manage the software development lifecycle or SDLC from start to finish. I first analyze the requirements to ensure that I understand what the users want to accomplish with the program. I then develop the program's specifications based on its functionality and intended outcomes. Next, I put together a development plan with specific stages, benchmarks, and a budget. The next step is to delegate the development tasks among the team based on their skill sets and experience. Together, we execute the development plan during which I monitor our progress and make any changes necessary to keep the development team on schedule and under budget. Once the programming is complete, we move on to the testing phase, which involves various tests, bug fixes, and sometimes reprogramming. The final stage is deployment, in which we present the program to the end-users to ensure it meets their needs, then put it into production."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
36. Please describe how you would refactor a class for easier testing.
Why the Interviewer Asks This Question
During the interview for a senior software engineer's job, you'll be asked many technical questions. These are meant to provide the interviewer with information about your skills and experience and help them determine if you're qualified for this role. The technical questions will span several different topics and, in some cases, may ask you to demonstrate your programming skills. As the interview progresses, the questions will become more specific and challenging.
Written by William Swansen on May 23rd, 2022
How to Answer
You should review the processes and procedures you currently use to develop software and research those typically used within the industry. This will help you to be familiar with these and ready to respond or demonstrate your programming skills during the interview. Even though you may have a great deal of experience to be confident in the methodology you use, reviewing them before the interview will keep them fresh in your mind. Practicing questions like this will also prepare you to respond to the interviewer's questions easily.
Written by William Swansen on May 23rd, 2022
Answer Example
"When refactoring a class into smaller ones, I examine the class and see if I can be constructed into different responsibilities and grouping of methods. Refactoring opens the class up to implementing new features. I would also look for opportunities to refactor the class for parallel or concurrent processing, thereby increasing its performance and reducing the time to accomplish a task. This would require the utilization of threads, sub-processes, and background jobs, using commands such as cron and Resque. Here is how I would proceed with this (insert the methodology to the class the interviewer presents you with)."
Written by William Swansen on May 23rd, 2022
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Another key principle when refactoring is making sure the refactor is more readable than the current code is. If you're going to abstract the class by splitting it out into multiple classes, it's important to balance the amount of abstraction you plan on doing and not overcomplicate or oversimplify something. You can easily abstract any single class and break it out into a series of classes and interfaces that extend other classes and interfaces which in turn extend more classes and more interfaces and you eventually end up with a web of dependencies that is more confusing than it is helpful."
Amanda's Feedback
Operational
37. Walk me through the process of creating an SQL database for time-series information?
Why the Interviewer Asks This Question
SQL is not only a standard but a very common and easy way to manage data within a database. Interviewers will want to make sure you're familiar with this technology by asking you specific questions about it and providing scenarios that require you to use it. Make sure you're up to date on your SQL programming skills and can answer these types of questions or demonstrate how you use SQL to program.
Written by William Swansen on May 23rd, 2022
How to Answer
This is a two-part question meant to determine your knowledge of SQL and familiarity with time-series information. Assuming you are familiar with both of these, think about the process you use and break it down into individual steps. Then describe each step to the interviewer without including too much detail. The interviewer will ask you a follow-up question if they want more information or need to explore the topic more.
Written by William Swansen on May 23rd, 2022
Answer Example
"I use SQL a lot when developing programs and managing databases. When using it for a time series information database, there are specific steps you need to implement to make it work properly. You start by creating a calendar using SQL statements. The next step is to create a time series column within the database. You may want to use containers for the data, which will help organize it. You can now create the time series and load the data. Data is then retrieved using SQL commands."
Written by William Swansen on May 23rd, 2022
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Operational
38. What programming languages do you recommend an organization like ours use to create software to support our operations?
Why the Interviewer Asks This Question
If it is natural for interviewers to want to know what programming languages you are familiar with and would recommend for their organization. They are trying to determine your knowledge of the programming languages and whether these align with the languages currently used by their programming team. They may also be interested in whether you can introduce new languages, methodologies, and techniques into the organization.
Written by William Swansen on May 23rd, 2022
How to Answer
There are two ways to respond when asked about the software development languages you recommend for an organization. The first is based on your research before the interview, which should help you learn what programming languages the organization already uses. Recommending these will confirm that you're aware of their operations and can work with their existing system. An alternative to this approach is to recommend languages you are comfortable with and that you feel will improve the organization's operations. This is a bit riskier, but you could demonstrate that you are well qualified for this role. The key to answering this way is to defend your recommendations based on solid criteria discovered during your research or learned from your past experiences.
Written by William Swansen on May 23rd, 2022
Answer Example
"Based on the research I did before coming to this interview, I understand your organization currently uses C++ and Java for your software development. These are both great languages and very effective for the type of products your engineers create. I'm very comfortable working with both C++ and Java. I would also recommend that the organization take a look at Python as well as JavaScript and Ruby. The advantages of these are that they are easy to learn, use natural language, and have large libraries of existing programs which can reduce the amount of time required to develop simple applications."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Operational
39. How do you direct your team to identify and correct errors in their code?
Why the Interviewer Asks This Question
Interviewers understand that nobody is perfect and errors will occur. They want to understand how you go about correcting these without discouraging the team members or lecturing them about their mistakes. Your answer to this question will help the interviewer determine your leadership qualities and how you can help mentor and develop junior team members.
Written by William Swansen on May 23rd, 2022
How to Answer
When describing how you direct your team to identify and correct the errors in their code, keep your answer upbeat and positive. Acknowledge that everyone occasionally makes an error, and the key is quickly identifying and correcting them. Emphasize how you turn this into a positive learning experience and use it to increase the skill sets of the junior members of your team.
Written by William Swansen on May 23rd, 2022
Answer Example
"While there are several different automated tools that will help identify and correct errors during the software development lifecycle, there are some manual processes that I feel are just as effective. These include writing tests, wrapping the code to catch exceptions, using try/catch statements, and utilizing the Weak Operational Memory Module, or WOMM development process. I also prefer implementing software development within the Agile methodology. The advantage of Agile is that it identifies errors at each stage of the development process and enables the developers to correct them before they have a greater impact on the subsequent development activities. Even if not using Agile, I still check for errors throughout the entire software development lifecycle."
Written by William Swansen on May 23rd, 2022
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Operational Software Enginee
40. If you were asked about addressing a website's degrading performance, what recommendations would you make to correct this?
Why the Interviewer Asks This Question
While interviewing for a senior software engineer job, you may be asked about specific activities, challenges, or processes outside the software development spectrum. Interviewers will take this tact to explore the breadth of your knowledge and see if you have experience interacting with other technical stakeholders from across the organization. Knowing a broad range of technical topics and specific, in-depth knowledge about software development will increase your chances of being selected as an appropriate candidate for the position.
Written by William Swansen on May 23rd, 2022
How to Answer
When asked about how to accomplish a specific task related to this job, keep your answer brief and to the point. Describe each step you would take to accomplish the task using simple, easy-to-understand language. Anticipate follow-up questions from the interviewer if they need more detail or want to explore the topic further.
Written by William Swansen on May 23rd, 2022
Answer Example
"Even though this issue is outside of my sphere of responsibility, there are several actions an organization could take to address a situation where the performance of a website was degrading. Items I would recommend that the team investigate include using adaptive images, increasing the cache, making sure all the plugins were up to date, using CSS sprites for the images, minimizing the use of JavaScript and CSS, and making sure the website host had enough memory, bandwidth, and processing speed."
Written by William Swansen on May 23rd, 2022
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Technical
41. Do you recommend using a microservice approach or a monolithic app when developing a software program?
Why the Interviewer Asks This Question
An interviewer will ask you this question to determine your programming methodology and whether it matches that currently used by the organization. They also want to make sure you understand the differences between these two approaches. Finally, they may expect you to elaborate on the benefits and disadvantages of each programming approach.
Written by William Swansen on May 23rd, 2022
How to Answer
As a senior software engineer, you normally have a great deal of autonomy and can choose how you approach application development. However, your choice must align with the talents and experience of your team as well as the common practices used by the organization you are working with. When preparing for an interview, you should research the organization, its software development group, and the specific job you're applying for. This will provide you with the information you need to answer questions like this in the context of the organization's current operations.
Written by William Swansen on May 23rd, 2022
Answer Example
"While developing a software program as a monolithic app is more straightforward and easier, using the microservice approach has its advantages. These include isolating each service so they operate independently, robustly, and do not depend on each other. This results in a program that performs faster and is more efficient. The drawback is that it creates multiple points of failure involving each microservice. Given a choice, I would typically develop an application using the microservice approach, assuming that my team was familiar with this and that it was a common practice within my organization."
Written by William Swansen on May 23rd, 2022
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Amanda's Feedback
Technical
42. Can you discuss responsive design and the differences between fixed and fluid layouts?
Why the Interviewer Asks This Question
Interviewers believe that senior software engineers can work on various development projects. These include commercial applications, internal software programs, and website designs. Developing software for websites is a specialized skill that is in high demand. Senior software developers with experience in this area who can address issues related to website design, performance, and programming applications are more likely to be asked for an interview and offered roles within the organization.
Written by William Swansen on May 23rd, 2022
How to Answer
When answering questions about specific elements of software development, don't assume that the interviewer has a technical background. Use simple, easy-to-understand language that anybody in the organization can understand and relate to. Make sure not to use any industry jargon, acronyms, or phrases that people from other parts of the organization may not be familiar with. Of course, if you're speaking with your prospective supervisor or a peer from the software development team, you can use more technical language with confidence.
Written by William Swansen on May 23rd, 2022
Answer Example
"Responsive design involves creating websites that look and function the same across many different devices. These sites use application queries, image scaling, wrapping text, and adjusting layouts to ensure that the website will look good on devices including cell phones, tablets, and desktop computers. Responsive designs take advantage of fluid layouts, which use percentages instead of fixed indicators for the placement of objects within the website and the definition of the site's width. This differs from fixed designs that rely on fixed pixel widths and specific positions for the objects."
Written by William Swansen on May 23rd, 2022
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Technical
43. How does HTML5 use web workers, and why is this important?
Why the Interviewer Asks This Question
One of the key responsibilities of a senior software engineer is maintaining their currency in newly developing technologies. Interviewers will ask you about techniques and methodologies associated with the latest software and development tools used in your profession. They want to make sure your knowledge of these is current, and you can employ them in your work if hired.
Written by William Swansen on May 23rd, 2022
How to Answer
You should anticipate questions like this and refresh your knowledge about these topics by reviewing vendor websites, technology blogs, and other sources of information before attending the interview. Conversely, you should also be familiar with legacy versions of the applications which the organization may still be using. Being knowledgeable about topics and both of these areas will help you perform well in the interview and likely lead to a job offer.
Written by William Swansen on May 23rd, 2022
Answer Example
"The purpose of web workers within HTML5 is to run background scripts in a web application without impacting the user interface. This creates a multi-threading-like environment in JavaScript, which is a single-threaded application. Therefore, web workers is a useful technology to accelerate the performance of websites written in JavaScript."
Written by William Swansen on May 23rd, 2022
Technical
44. How does a data array differ from a stack?
Why the Interviewer Asks This Question
This is another technical question the interviewer uses to determine your qualifications for this position. Throughout the interview, you will be asked many different technical, operational, and practical questions. The purpose of these is to make sure you can perform the tasks required by the job and have experience in the areas needed for this role.
Written by William Swansen on May 23rd, 2022
How to Answer
Knowing the difference between a data array and a stack demonstrates your qualifications as a senior software engineer. More importantly, your ability to communicate this in simple, non-technical language will show the interviewer that you can collaborate with other stakeholders within the organization who may not have the same technical expertise as you or the other software development team members. Don't fall into the trap of trying to impress the interviewer using highly technical language, acronyms, or jargon they may not understand. This often puts the interviewer off and will make them more prone to choose somebody who communicates more clearly.
Written by William Swansen on May 23rd, 2022
Answer Example
"The difference between a data array and a stack is that the array doesn't have a predetermined procedure for how to add or retrieve data. On the other hand, a stack has a strict 'last in and first out' or LIFO approach. The data array provides more flexibility but requires more storage space. The stack may be more appropriate when managing financial or product inventory data."
Written by William Swansen on May 23rd, 2022
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Technical
45. What is a stack in the context of software development, and how can it be used to simplify the SDLC?
Why the Interviewer Asks This Question
This question may look familiar because you may have been asked about the same topic earlier in the interview. It is common for interviewers to ask similar questions throughout the interview. They do this for two reasons. The first is to explore the topic in more detail from a variety of different angles. This indicates that the topic is important to their operations. The second reason for asking the same question multiple times is to confirm that your answers are consistent throughout the interview. Answering truthfully and keeping your answers concise will ensure that you are consistent during the entire interview.
Written by William Swansen on May 23rd, 2022
How to Answer
When you recognize that the interviewer has asked you a question that they already asked you earlier in the interview, avoid the temptation to respond that you've already answered this question. Try to recall your previous answer and respond similarly. Interviewers are not only interested in your knowledge during an interview, but they also are gauging how you behave in specific situations, your communication style, and other items which will help them determine how well you will fit into their organization.
Written by William Swansen on May 23rd, 2022
Answer Example
"A stack is a linear data structure and uses a last in first out data retrieval methodology. The stack has two basic operations: push, which is the insertion of a data element from the top of the stack, and pop, which retrieval of the last data element inserted into the stack. A third operation called peek may also be used. This involves examining an element within the stack without removing it. I usually select a stack data structure when dealing with elements that are linked and for applications related to either in inventories or financial operations."
Written by William Swansen on May 23rd, 2022
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If you're referring to the call stack, then it is the data stack for which subroutines know which active subroutine it should yield control to once the subroutine is finished processing. It abides by the LIFO retrieval process."
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Technical
46. Can you discuss how functional programming differs from object-oriented programming?
Why the Interviewer Asks This Question
As a senior software engineer, you should be intimately familiar with both object-oriented and functional programming. An interviewer will ask you this question to confirm that you are aware of the different types of programming and some of the languages used in each type. They expect you to be able to describe both the similarities and differences between these. They may also want you to state your preference for which type of programming you prefer or use regularly.
Written by William Swansen on May 23rd, 2022
How to Answer
When answering this question, summarize each type of programming, describe the languages used, and talk about your experience with or preference for these. Your pre-interview research should have indicated the type of programming that the organization currently uses or prefers. Your answer can also reflect the best methodology for the products they create for either internal use or commercial sale.
Written by William Swansen on May 23rd, 2022
Answer Example
"I've used both functional and object-oriented programming in my previous jobs. Functional programming relies on immutable objects, while object-oriented programming takes advantage of the mutable state and in-place modification of objects within the code. Functional programs are structured so that inputs are used in calculations and result in the desired output. Functional programming relies on the function of the software. In contrast, object-oriented programming consists of classes, instances, and variables that the program can manipulate. These may be inherited or extended, thus simplifying the coding. Languages typically used in functional programming include Clojure, F#, Erlang, and Common Lisp. Object-oriented languages include Java, C, C++, and others."
Written by William Swansen on May 23rd, 2022
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Tehcnical
47. What is the difference between blocking and non-blocking calls in JavaScript?
Why the Interviewer Asks This Question
During an interview for a senior software engineer's position, you will be asked about many different technologies used in the job. Some of these questions will ask you to compare two different technologies which are similar but have different functions or outcomes. Demonstrating your knowledge of these differences will impress the interviewer and satisfy their curiosity about your understanding of the topic.
Written by William Swansen on May 23rd, 2022
How to Answer
When responding to a question like this, start by defining each term, then briefly compare them, stating their features and benefits. Quickly contrast them, stating how they differ, and finish by possibly providing an example to illustrate your answer. This methodology will allow you to organize your answer for any question asking you to compare two terms or technologies.
Written by William Swansen on May 23rd, 2022
Answer Example
"The key difference between blocking and non-blocking calls in JavaScript is that the first one is a synchronous operation and the other is asynchronous. Blocking calls require JavaScript operations to wait until a non-Javascript operation provides input or output or finishes its execution. Non-blocking JavaScript calls can execute operations synchronous with other pieces of the script. It is important to know this since JavaScript is a single-threaded executable and can only execute code in a specific order, waiting for the previous operation to be completed before it starts the next one. Executing non-blocking calls overcomes this limitation and helps programs run faster."
Written by William Swansen on May 23rd, 2022
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