Backend Developer Interview Questions
Prepare for backend developer interviews with questions on APIs, databases, server architecture, and scalability.
Top 10 Backend Developer Interview Questions
- How would you design a rate-limiting system?
- Explain the differences between REST and GraphQL.
- How do you handle database migrations in production?
- What is the CAP theorem?
- Describe how you would implement authentication and authorization.
- How do you handle error handling and logging in a production system?
- What is the difference between horizontal and vertical scaling?
- Explain microservices architecture and its trade-offs.
- How do you secure an API endpoint?
- Describe your experience with message queues and event-driven architecture.
Tips for Your Backend Developer Interview
- Understand database design and normalization
- Practice designing scalable system architectures
- Know common security vulnerabilities and how to prevent them
- Be ready to discuss trade-offs in architectural decisions