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Backend Developer Interview Questions and Answers interview questions
Prepare for backend developer interviews with essential questions and answers on APIs, databases, server-side programming, system design, security, and more.
General questions
1Client Server Architecture2REST APIs3HTTP Methods4HTTP Status Codes5Authentication vs Authorization6JWT VS SESSIONS7API versioning8SQL VS NoSQL9Database indexing10Transactions & ACID11Database normalization12Connection Pooling13The N+1 query problem14Caching15Load balancing16Horizontal vs Vertical scaling17Message queues18Rate Limiting19Retries and Timeouts20SQL Injection21HTTPS & TLS