1. Describe the architecture of a Spring Boot project you have worked on. How did you organize the different components?
2. How did you ensure scalability and maintainability in your project’s architecture?
3. Discuss a scenario where your Spring Boot application needed to interact with multiple databases. How did you handle it?
4. Explain how you optimized database queries and transactions for better performance.
5. Describe the security features implemented in your Spring Boot project. How did you handle authentication and authorization?
6. Have you integrated any third-party security libraries or tools into your project?
7. Discuss your experience with building or integrating microservices using Spring Boot.
8. How did you handle communication between microservices? What protocols or technologies did you use?
9. Share an example of a performance issue you encountered in a Spring Boot application and how you resolved it.
10. How did you optimize the performance of database queries and reduce response times?
11. Explain your approach to testing in a Spring Boot project. How did you ensure the reliability of your code through unit and integration tests?
12. Have you used any testing frameworks or tools that significantly improved your testing process?
13. Describe how you implemented robust exception handling in your Spring Boot project. How did you log and monitor exceptions in production?
14. Did you use any specific tools for error tracking?
15. Share your experience with implementing CI/CD pipelines for a Spring Boot application. Which CI/CD tools did you use, and how did they contribute to the efficiency of your development process?
16. Explain scenarios where you implemented caching in your Spring Boot project. What caching strategies did you employ?
17. How did caching contribute to the overall performance of your application?
18. Describe instances where your Spring Boot application needed to integrate with external APIs.
19. How did you handle authentication, error handling, and data transformation during API integration?
20. Discuss the tools and techniques you used for monitoring the health of your Spring Boot applications in production. How did you configure logging to provide useful information for debugging and troubleshooting?
21. Explain your approach to managing dependencies in your Spring Boot projects.
22. How did you handle versioning, and were there any challenges related to dependency conflicts?
23. How did you maintain code quality standards in your Spring Boot project? Did you use any static code analysis tools?
24. Discuss your experience with code reviews and how they contributed to the overall quality of the codebase.