Backend Developer Mock Interview
Practice system design, API, and database interviews with AI.
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Practice Real Backend Developer Interview Questions
System-design
Design a RESTful API for a blog platform
System-design
How would you handle 1 million requests per second?
Technical
Explain database indexing and when to use it
Technical
What is the difference between SQL and NoSQL?
System-design
Design a rate limiting system
Technical
How do you ensure API security?
Technical
Explain ACID properties in databases
System-design
Design a notification service
Behavioral
Tell me about a time you optimized database performance
Technical
How would you implement authentication and authorization?
Key Skills Evaluated
API Design (REST, GraphQL)
Database Design & SQL
System Architecture
Caching Strategies
Message Queues
Microservices
Security & Authentication
Performance Optimization
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