Anuj

Backend development is simple, you just need to learn these HTTP methods Status codes Request headers Response headers Authentication Authorization JWT tokens Session management Cookies OAuth 2.0 API design RESTful APIs GraphQL WebSockets Server-side rendering Database design SQL queries NoSQL databases Database indexing Query optimization ACID properties CAP theorem Normalization Denormalization ORM (Object-Relational Mapping) Connection pooling Transactions Migrations Seeding data Caching strategies Redis Memcached CDN integration Rate limiting Throttling API versioning Middleware Error handling Logging Monitoring Application performance monitoring (APM) Load balancing Horizontal scaling Vertical scaling Microservices architecture Monolithic architecture Service-oriented architecture (SOA) Message queues Pub/Sub patterns Event-driven architecture CQRS pattern Saga pattern API Gateway Service mesh Docker containers Kubernetes orchestration CI/CD pipelines Environment variables Configuration management Secrets management CORS (Cross-Origin Resource Sharing) CSRF protection XSS prevention SQL injection prevention Input validation Output sanitization Password hashing Bcrypt/Argon2 Salt and pepper Two-factor authentication (2FA) Single sign-on (SSO) RBAC (Role-Based Access Control) ABAC (Attribute-Based Access Control) File uploads Streaming data Pagination Filtering and sorting Full-text search Elasticsearch Background jobs Cron jobs Task scheduling Worker processes Async/await patterns Promises Callbacks Thread pools Process management Memory management Garbage collection Performance profiling Benchmarking Testing (unit, integration, E2E) Mocking and stubbing API docs (Swagger/OpenAPI) Postman/Insomnia Version control (Git) Code review practices Debugging techniques Production deployment strategies