Interview Prep

Backend Developer Interview Questions

Prepare for backend interviews with questions on APIs, databases, and distributed systems.

Key Skills Tested

REST & GraphQL APIsDatabase DesignCaching StrategiesAuthentication & SecurityScalability

Common Backend Developer Interview Questions

1

How would you design a rate-limiting system for an API?

2

Explain the difference between SQL and NoSQL databases. When would you use each?

3

How do you handle database migrations in production without downtime?

4

What's the difference between authentication and authorization?

5

How would you scale a Node.js application to handle 10x traffic?

How Quia prepares you for a Backend Developer interview

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