MockQuestions MockQuestions
Interviews Questions by Career
Interviews Questions by Company
Interviews Questions by Topic
Get Started
Interview Coach 1:1
Gain the confidence you need by asking our professionals any interview scenario, question, or answer you are unsure about.
Let Us Review Your Answers
Our interviewing professionals will gladly review and revise any answer you send us. Allowing you to craft perfect responses for your next job interview.
Interview Questions by Topic
Interview Questions by Career
Interview Questions by Company

Talend

25 Interview Questions & Answers

1.
Tell me a few of the data migration best practices that you follow on a regular basis.
Click to View Answers
A data migration strategy should always be planned out before a project start. Successful migrations are based on accuracy and organization. Some best practices include:

- Performing a complete audit of the data, you will be migrating
- Immediately resolving the issues, you find in your data
- Putting controls in place to maintain the quality of your information
- Using tools to track and report on data quality/data integrity properly

Share with the interviewer that you understand how data should best be handled and maintained.

Interview Q&As
Explore expert tips and resources to be more confident in your next interview.
Behavioral
Common
Phone
Tough
Leadership
All Interview Topics
All Career Q&As
1.
Tell me a few of the data migration best practices that you follow on a regular basis.
A data migration strategy should always be planned out before a project start. Successful migrations are based on accuracy and organization. Some best practices include:

- Performing a complete audit of the data, you will be migrating
- Immediately resolving the issues, you find in your data
- Putting controls in place to maintain the quality of your information
- Using tools to track and report on data quality/data integrity properly

Share with the interviewer that you understand how data should best be handled and maintained.

Rachelle's Answer #1
"I have received a significant amount of training in data migration best practices. Before beginning any data migration, I ensure that a complete and comprehensive analysis has been performed, ensuring there are no unexpected issues. Other best practices include cleaning up any issue immediately, and also having the right tools for maintaining and tracking data quality."
Rachelle's Answer #2
"My current company has firm policies in place, which I follow to the letter when it comes to data migration best practices. I will always perform a complete data audit before the migration project begins. Also, I ensure that the correct tools are in place for real-time and future reporting. These are just a couple of the best practices that I follow on a regular basis."
2.
How do you prioritize multiple projects when they all seem equally important?
When working for Talend, you will need to take on multiple projects or clients at a time. They are a busy organization and need to know that you can keep up with their pace. Prioritizing is a skill that requires practice. There are many approaches you can take.

Here are some suggestions:

1) Make a list. By thinking through and writing down each item that needs completion, you can better visualize your approach.
2) Mark what is urgent or essential. Take into account deadlines and meetings. If a project management tool is available to you, like Trello or Asana, utilize its features to keep yourself organized.
3) Order each task based on effort and estimated value.
4) Consider due dates and how long it will take to do each item.

When answering this question, show the interviewer that you have a system in place that helps you to think through what needs to happen, and when. The better you can prioritize, the more productive you will be, making you an asset to Talend!

Rachelle's Answer #1
"I aim to be as effective and efficient as possible and make sure I can use all minutes of a day for a project. I have a few things going at once most of the time. I am the lead on some, the delegator on others, and the reviewer on another, for instance. This way, by splitting up the work to the appropriate parties, both my team and I can be the most efficient with our time."
Rachelle's Answer #2
"I love to keep running lists of everything that I need to do, big or small. Mostly because I love crossing things off of the to-do list, but also because it helps me keep track of everything. Lately, I've started utilizing a free project management software that I use to make those lists, categorize the tasks, and mark them by the level of urgency. I take care of the most time-sensitive issues first and then move along to the equally important, but perhaps less time-sensitive to-dos. I also estimate how long each task will take, so if I have a few minutes in between projects, I can tackle the quick to dos and use that time effectively, rather than use it to figure out 'what's next.'"
3.
What are the open-source cloud databases? Are these the best ones to use for our clients?
The interviewer is looking for your knowledge around cloud databases and your ability to understand and discuss the debates around how database model and service should be structured. There is never one right view in these debates so make sure you present more than one.

The goal here isn't to memorize all the databases in the market and compare. Focus on topics around the database that would be most relevant to Talend's clients. Research the latest trends in the cloud database and throw one or two in your answer to demonstrate that you are up to date on this important topic.

Rachelle's Answer
"Most of the top cloud providers offer databases leveraging both structured and unstructured data. But the open-sourced ones in the market are MongoDB, CouchDB, and Lucid DB, the relational, NoSQL databases that are cloud-friendly. But the truth is more and more developers are turning to native cloud databases such as Amazon DynamoDB, Microsoft Azure or Google Cloud because they're offering easy software procurement/access similar to that of the open-source vendors without the headache of the assembly. These cloud databases have superior analytics that open-source databases such as MongoDB cannot achieve due to the level of data types and volume cloud providers have access to. This convenience makes the native cloud databases more appealing to many. With the rise of IoT and edge computing, a distributed database might be something to pay attention to as well."
4.
Explain to me the concept of hyper-converged infrastructure.
Hyper-converged infrastructure refers to the streamlining of data center resources, preparing information for the cloud, allowing businesses to more easily scale. The interviewer would like to see that you understand this concept. Give a brief overview of your HCI knowledge. If you are unsure, there are many resources online where you can gain a better understanding.

Some of the benefits of HCI are:

- Flexible structure, allowing companies to scale much easier
- Lower costs, due to being more efficient, amounting to less IT overhead
- Automation, simplification, and better support
- Increased data production

Rachelle's Answer #1
"Hyperconverged infrastructure, or HCI, differs greatly from traditional three-tier architecture. It allows a data center to move away from the conventional storage, server, networking silo to a more all-in-one option. The benefits include better automation, simplification, and a more flexible structure."
Rachelle's Answer #2
"Hyper-converged infrastructure is best explained as a method of streamlining a traditional data center setup. When a data center moves to HCI, as opposed to a traditional three-tier structure, they can ensure the integrity of data while maintaining high performance. Essentially, it's servers and storage compacted into one."
5.
What are the benefits of leasing a private data center vs. building one from scratch?
There are many benefits to either leasing a data center as opposed to building one and vice versa. The interviewer would like to see that you understand the expenditure and risk that comes with either option.

When it comes to leasing a private data center the benefits include:

- Fewer upfront costs
- More predictable expenditure
- Ability to scale more easily
- Option to contract the experts as opposed to hiring them full time

If a company built their own data center the benefits could be:

- Ownership and complete control of all operations
- More control over your location
- Ability to lease out extra space to other businesses

Discuss with the interviewer the benefits of each, without swaying too far when it comes to your opinion.

Rachelle's Answer #1
"I believe there are benefits to each, and the choice would depend greatly on budget and how much control a company would like to have. If leasing, you can reduce expenditure significantly. If building one from scratch, you would have full control. In my opinion, there are pros and cons to each side."
Rachelle's Answer #2
"I have worked for data centers that lease their space, and data centers who own their space. From the leasing side, it is more challenging to scale; however, the costs are much lower. From the ownership side, there are more headaches when it comes to IT staffing; however, there is more control over space, location, and operations."
View All 25 Talend Questions and Answers
Sign up to access our library of 50,000+ Q&As,
plus coaches for one-on-one support, so you can interview more confidently.
More Interview Q&As
Explore expert tips and resources to be more confident in your next interview.
Behavioral
Common
Phone
Tough
Leadership
All Interview Topics
All Career Q&As
About Our Interview Q&As
Our interview questions and answers are created by experienced recruiters and interviewers. These questions and answers do not represent any organization, school, or company on our site. We do not claim they will be asked in any interview you may have. Our goal is to create interview questions and answers that will best prepare you for your interview, and that means we do not want you to memorize our answers. You must create your own answers, and be prepared for any interview question in any interview.