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Perfecto Mobile Interview
Questions

28 Questions and Answers by Ryan Brunner

Published February 25th, 2020 | Ryan has over 10 years of experience interviewing
candidates in the healthcare, public service, and private manufacturing/distribution industries.
Question 1 of 28
How would you handle a situation where a colleague was being very difficult to work with?
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How to Answer
In the team based atmosphere at Perfecto Mobile, departments with different skills and backgrounds can often see things from different points of view and these situations can cause some internal conflict between coworkers. With this question, your interviewer is looking to hear how you handle situations where you are working with someone that can be seen as difficult. To give them the sense that you are able to work through conflict in a professional and sensible manner, try to talk through how you handled a conflict at work previously in the past and highlight the interpersonal skills that you used to help make it a positive situation.
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Top 25 Perfecto Mobile Ltd. Interview Questions with Full Content
1.
How would you handle a situation where a colleague was being very difficult to work with?
In the team based atmosphere at Perfecto Mobile, departments with different skills and backgrounds can often see things from different points of view and these situations can cause some internal conflict between coworkers. With this question, your interviewer is looking to hear how you handle situations where you are working with someone that can be seen as difficult. To give them the sense that you are able to work through conflict in a professional and sensible manner, try to talk through how you handled a conflict at work previously in the past and highlight the interpersonal skills that you used to help make it a positive situation.

Ryan's Answer #1
"In all honesty, any great work atmosphere that I've been a part of in the past has involved conflict between colleagues. In situations I have witnessed, conflict has stemmed from very open-minded people giving their two cents in particular situations and two people not seeing eye to eye. This happened recently to me in the planning phases of a new project. On of our UX Designers and I had a disagreement on the final layout of a new software roll out we were planning. It worked best for both of us to talk about our ideas and list the pro's and con's for our ideas. I kept an open mind to learn from her point of view and she did the same to me on my end. This led us to come up with a great compromise in the end."
Ryan's Answer #2
"Last year, we had a new engineer join our team that was hired on from his internship with us. From his first day, he made it very evident that he would only handle certain tasks within our team and only work on certain projects. As his mentor to help get him up and running, I sat him down and discussed the expectations of each of our engineers as part of our larger team. I explained to him that our approach was not to pigeonhole ourselves into smaller tasks, but rather be well rounded engineers that could handle any project and be able to cover for each other if needed. He really appreciated this approach when I explained the benefits for his long term career goals with this approach. This example shows my approach to being very direct with people that I have a conflict with in the workplace and doing so in a very professional and educational manner."
2.
What programming languages would you consider yourself fluent in?
While this question gives your interviewer insight into the diversity of your programming language experience, they most importantly want to know that you are adaptable and able to learn on the fly if needed. Talk about the different languages that you consider yourself fluent in and, if possible, do as much research into Perfecto Mobile as you can prior to your interview and try to speak to the specific languages that they work with.

Ryan's Answer #1
"From the start of college, where software engineering grew into a passion for me, I've become very fluent in Java, JavaScript and C++. My current role has me working primarily with C++, but I pride myself on my ability and passion to learn new programming languages and would be able to do so if hired for this role with Perfecto Mobile."
Ryan's Answer #2
"During my training to be an engineer and then in my current role since graduating, a majority of my experience falls within Python. My current role delves deeply into artificial intelligence and Python is awesome with this advanced technology. As I understand it from talking to another engineer here at Perfecto Mobile, a requirement would be for me to learn Scala. Though I haven't worked directly with Scala, I believe my experience and willingness to learn would have me up and running in no time if hired for this role."
3.
What do you consider to be a good litmus test for when you would automate a test process for a new system versus testing manually?
As your role with Perfecto Mobile will look to help further their automate testing processes for new systems, you will need to have a good sense for when automation makes sense and when it does not. Reiterate your sense for this to your interviewer by sticking to the high level response that repetitive tasks, as are common with large software companies, are prime candidates for automation whereas one time test cases are not.

Ryan's Answer #1
"Having been in automation in both manufacturing for many years and now software for the last three years, a common misconception among people is that automation can help improve any situation and that couldn't be further from the truth. The amount of time, effort and resources that goes into an automation process makes it ideal for repetitive tasks and tests that have multiple data sets. If a testing process calls for unique and one time process, it would make the most sense to run that process manually."
Ryan's Answer #2
"I"n my current position, most of the automation testing that I design is in program sanity testing. These automated tests work great because they run on similar systems following changes in code to ensure that no bugs remain in the system. If our group of engineers are working on unique, one off type projects, my automation processes are not utilized."
4.
What experience do you have in the different types of software maintenance?
As a reputable company, Perfecto Mobile takes their software maintenance processes seriously and your interviewer is looking to hear that you are familiar with the four different types of software maintenance. Talk to your interviewer about any work you have done in the past with corrective, adaptive, perfective and/or preventative software maintenance. Use specific examples and make sure that your interviewer walks away from your conversation knowing that you understand the importance of proper system maintenance.

Ryan's Answer #1
"Being familiar with all four types of software maintenance, my most used method of maintenance in my current role is corrective. Based on bug reports from end users, I work through coding and logic issues to resolve issues in a timely and effective manner. In the maintenance I perform, I never hesitate to pick up the phone and contact customers to hear first hand about what they are experiencing. By doing this, they feel like they are an important part of the process and it reflects well on me and my organization."
Ryan's Answer #2
"In my current role, I'd definitely say that a majority of the maintenance work that I do is adaptive maintenance. Working in banking software that is used around the globe, I help perform system maintenance for changes in currency on a pretty regular basis. This work requires research and talking with end users to help adapt the programs for their use. If hired here at Perfecto Mobile, I also have experience performing perfective, preventative and corrective maintenance on software as well."
5.
In your experience in software testing, would you consider yourself proficient in both testing and debugging processes?
As a reputable provider of software, Perfecto Mobile relies on their software testing engineers to both test and debug their products when necessary. Make your interviewer aware that you are knowledgeable on both processes by briefly explaining each process as you've worked on them in the past. Then, talk about your openness to working both testing and debugging processes if hired for this position.

Ryan's Answer #1
"Yes, I definitely would consider myself proficient in both testing and debugging software. My current role that I've held for four years since graduating from college has exposed me to both processes. In testing, I use known conditions and predefined methods to test for expected outcomes to find errors within the system. I utilize testing prior to new software rollouts. The debugging process happens to already released software that has had issues and comes with unknown conditions and unpredictable outcomes. In this process, my goal is to find the cause of the error to fix it efficiently and effectively to roll an updated program back out to end users."
Ryan's Answer #2
"While a majority of my career has been focused on software testing, I am very familiar with debugging processes as well. If hired for this position, I would take the time to focus on debugging processes to bring myself up to speed while being able to hit the ground running on testing processes."
6.
What publication tools do you have experience working on during your time as a technical writer?
On top of the basic word processing tools, your interviewer will be looking to hear that you have familiarity with some of the various diagramming tools, online content management tools and other digital publishing tools. Be open and honest with what you are experienced with and don't hesitate to point out where you may be inexperienced, as long as you can point out that you are willing and able to learn new tools of the trade.

Ryan's Answer #1
"For document processing, I would consider myself on expert on both Microsoft Word and Adobe FrameMaker. I have received extensive training on both programs. I also would consider myself very fluent in Microsoft Visio for creating robust diagrams within my projects. A newer system that I have been learning over the past two years is Calameo. My current organization utilizes the site to share my departments online through interactive publications."
Ryan's Answer #2
"Having been in the technical writing trade for almost 20 years now, I sure have seen an array of great advancements in technology that has bettered my work over time. Other than the basic processing tools, one of the unique tools that I have mastered is Sublime Text. This HTML editor is used to write the basis of our website and technical documents online and I have received a lot of training on utilizing the system. With my experience on this system, I feel like I could flawlessly learn and master other HTML editors here at Perfecto Mobile."
7.
In a technical support role here at Perfecto Mobile, we expect that you would be able to bring great customer service skills to the role. Describe your customer service philosophy in the support that you would provide.
While your interviewer will be able to get great insight into your technical expertise during your interviewer, this one question will allow you the opportunity to describe how you will bring solid interpersonal skills to the role. Your interview knows that customers will rely on you to provide quick and sensible support for their needs, but the expectation to do that in a pleasing manner is of utmost importance. Talk from a high level about your feelings on why providing great service is important and give an example or two of ways that you have done that in the past.

Ryan's Answer #1
"To me, my job duties aren't fully satisfied if an end user leaves our conversation without a smile on their face. While any technical support specialist can handle the customer aspect of the job, few have the people skills to do so pleasantly for their customers. In any interaction that I have with a customer, I talk in a calm and boosting manner. If they are upset or mad about a situation, I reflectively listen and never place any blame back on them. By taking this approach, my customer surveys in my current position have been excellent for the three years I've held that role."
Ryan's Answer #2
"If hired for this role here at Perfecto Mobile, you'll quickly find that my mantra in working with customers is speed with a smile. To do this, I need to be resourceful in providing them with an answer or triaging them to the correct person. I need to be knowledgeable in our product base to give them answers with confidence. And last, but not least, I need to be positive in all interactions with them."
8.
Here at Perfecto Mobile, we strive for continuous delivery and continuous deployment with our software. Are you familiar with these processes in your current work?
In the industries that Perfecto Mobile works in, updates to software are vital to end users for them to stay at the forefront of their business. To ensure that updates happen as quick and smoothly as possible, Perfecto Mobile utilizes continuous delivery and continuous deployment for their customers. For this question, talk about what you know about these processes as a software architect, why they are important and what experience you have with them.

Ryan's Answer #1
"In my current role, we utilize a 100% continuous deployment process with our end users when we role out new changes to existing software. We use automated testing in our process to validate that code changes are correct and able to be deployed without issue. Once validated, changes are automatically rolled out to our end users. Having once utilized a continuous delivery system, I am very appreciative of working in an environment utilizing continuous deployment as it negates any need for human intervention in the roll out."
Ryan's Answer #2
"In my current position, we've slowly grown from a continuous integration process to a continuous delivery process. I love the automated testing process when we are looking at rolling out new changes to existing software and my role as the architect for our projects puts me in the drivers seat for sending out these changes. If hired for this role here at Perfecto Mobile, I'd be very intrigued at learning and working with continuous deployment practices as well."
9.
Can you describe the software development lifecycle?
With this question, employers are looking to test your knowledge. They want to know how much you've participated in the projects you've been involved in to truly understand the software development lifecycle. The question may seem basic to some, but employers are expecting an accurate answer to know that they're hiring a true pro.

Ryan's Answer #1
"Absolutely. In my last job, we leveraged the waterfall method, making sure we completed each phase of the project - and completed it on time and to the highest quality, before moving on. The software development lifecycle consists of 6 steps, starting with planning, of course, followed by implementation, testing, documentation, deployment, and maintenance. Every step is crucial to ensure we're producing a quality product and also maintaining that product to meet the changing needs and demands of our end users."
Ryan's Answer #2
"I am new to my career in financial services and sales; however, I have taken an online course focused on cold calling. This course was incredibly helpful and I look forward to meeting and exceeding my targets with Perfecto Mobile."
10.
In Java, why shouldn't you use strings to store a password?
While this may seem like a rudimentary question regarding your knowledge of Java, your interviewer is looking to ideally hear that you understand the principle differences between string and character arrays. Asking about the storage of passwords within a system gives you the opportunity here to point out the differences between the two. In the end, while explaining the differences, be sure to tie it back to the original question on why strings shouldn't be used to store passwords.

Ryan's Answer #1
"To store a password, character array is the obvious best choice because character arrays are mutable. If a string was utilized to store passwords, a definite security risk would be present to anyone that would have access to the memory dump from the system."
Ryan's Answer #2
"This question simply boils down to a string being immutable. Because strings are a sequence of characters represented as a single data type, the system requires garbage creation to fully get rid of it out of memory. In my time designing software, I have used Char array and its mutable features to store passwords for the security of our end users "
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