Facebook Software Engineer Interview Questions
Go Back1. Facebook is very proud of our products and the people who develop them. In your opinion, what distinguishes a great software engineer from an average one?
2. Here at Facebook, we value work life balance and initiative. What personal software development projects have you worked on outside of work?
3. If hired by Facebook, can you estimate what portion of your day will involve coding and other activities you will perform when not coding?
4. Many Facebook Software Engineers prefer to program in Java. Can you describe how you would implement linear search in JavaScript?
5. How would you implement Dijkstra's Shortest Path using a programming language with which you are familiar?
6. How do you go about organizing CSS files, and why do you prefer this approach?
7. Walk me through the steps to build a single page application with multiple sections using the programming framework in which you typically work.
8. What process do you use to test and find bugs in an application you've developed?
9. Which do you prefer - a micro-service approach or a monolithic app?
10. How do you go about addressing errors in your code?
11. Describe the process you use to create a program, from requirements definition to delivery.
12. Walk me through your process for designing scalable applications.
13. How would you accelerate the response time of a website you created for us here at Facebook?
14. Can you describe a tough software development problem you encountered in your last job and discuss how you solved it?
15. Can you define black box testing and white box testing and discuss the differences between them?
16. What are the differences between an array and a stack?
17. Facebook web developers are incorporating HTML5 in their most recent websites. Can you describe the functions of web workers in HTML5?
18. What are the differences between blocking and non-blocking calls in the context of Node.js?
19. What are some of the programming languages you are familiar with, and which ones do you prefer?
20. Please describe a stack and the two operations it performs.
21. Please describe responsive design and the difference between fixed and fluid layouts.
22. Here at Facebook, we have embraced Agile methodology. How experienced are you with the Agile software development process?
23. Can you describe Facebook's software development life cycle, as you understand it?
24. What do you look for or check when reviewing another team member's code?
25. What do you feel are the critical principles of good software engineering?
26. How would you go about explaining Facebook's cloud computing environment to someone who doesn't have a technical background?