Software Developer Facebook Industry-Specific Questions

1. How do you approach optimizing queries in a large-scale database environment to improve performance in a web application?

2. Describe a challenging project you've worked on that involved integration with third-party APIs. What were the key challenges, and how did you address them?

3. Can you explain your experience with microservices architecture? How do you manage inter-service communication and data consistency?

4. In the context of a dynamic frontend, what patterns or frameworks do you prefer for state management and why?

5. Describe how you ensure the security of user data in your applications. What measures do you take during both development and deployment?

6. How do you handle version control in large teams? Please discuss your experience with branching strategies and code review processes.

7. Explain the importance of automated testing in the development cycle. What testing frameworks and methodologies do you use in your projects?

8. Can you give an example of a situation where you had to troubleshoot a production issue? What steps did you take to identify and resolve the problem?

9. Discuss your experience with DevOps practices. How have you implemented CI/CD pipelines in your previous projects?

10. What are the key differences between REST and GraphQL, and in what scenarios would you choose one over the other?