Google Software Developer Interview Questions
Go Back1. What are some of the testing and debugging processes you use in your software development?
2. What are some of the software design patterns that you use, and in what situations do you use them?
3. How do you approach implementing an LRU Cache in your favorite programming language?
4. What software development process do you prefer to use?
5. Describe how do you implement an insertion sort algorithm, and what's the easiest way to do it?
6. How would you define software configuration management?
7. How much do you know about object-oriented programming?
8. What method do you use to find the missing number in an integer array of 1 to 100?
9. I've heard applications referred to as both software and programs. Which terminology do you use, and how do these differ?
10. Making a comparison, how would you differentiate between Quality Assurance and Quality Control, as you believe it is implemented here at Google?
11. Talk about the differences between structured English and Pseudo Code.
12. Explain how duplicates are removed from an array without using a library.
13. Prior to starting any software development project here at Google, we perform a feasibility study. What is your opinion on a feasibility study, and when should it be done?
14. What is software scope, and what does the process involve?
15. If hired by Google, one of your tasks will be to debug your and other developer's code. As a software developer, explain the meaning of debugging and why it's used?
16. What are verification and validation, and why are they important?
17. Describe at a high level what the software development life cycle process is.
18. Can you list for me the important categories of software development?
19. Google software developers use a variety of different sorting algorithms. Tell me the difference between a Comparison and Non-Comparison Sorting Algorithm?
20. Can you walk me through the meaning behind a Depth First Search Algorithm for a binary tree?
21. How do you find the starting node of a cycle if a link contains a cycle?
22. Here at Google, our developers work with Java quite a bit. Tell me how you find duplicate numbers in an array in Java containing multiple duplicates?
23. As part of software development, were you involved with working on functional and non-functional requirements?
24. What is your experience with implementing a Binary Search Algorithm without recursion?
25. What are some of the types of development projects you have worked on in your past positions?
26. Based on your experience, what's the best way to find a node that begins with two single link lists?
27. Can you describe a challenging software development project you recently completed and the results?
28. What are some of the QA processes you are familiar with and have worked with in the past?
29. Do you have a preferred language that you like to write programming algorithms?
30. Are you familiar with Agile and Waterfall? Which of these software development methodologies do you prefer?