Google's V8-powered JavaScript runtime that changed backend development forever. Master event-driven architecture, REST APIs with Express, real-time with Socket.io, MongoDB/PostgreSQL integration, JWT authentication, and production deployment.
V8 engine, event loop, non-blocking I/O, CommonJS vs ES modules, process, Buffer, streams, EventEmitter — understand what makes Node.js fundamentally different from other runtimes.
Routing, middleware, controllers, request/response, validation, versioning, and Swagger docs.
MongoDB + Mongoose, PostgreSQL + Prisma, Redis caching, connection pooling.
WebSockets, rooms, namespaces, broadcasting, real-time chat, and live dashboards.
JWT tokens, bcrypt, Passport.js, OAuth 2.0, refresh tokens, rate limiting, helmet.js, and CORS.
Jest, Supertest, Mocha/Chai, mocking, API integration tests, code coverage with Istanbul.
Docker, PM2 process manager, Nginx reverse proxy, GitHub Actions, AWS/Railway.
Redis caching, rate limiting, compression, worker threads for CPU-bound tasks, clustering, and profiling with Chrome DevTools.
Node.js handles 10,000+ concurrent connections on a single thread due to its event-driven, non-blocking architecture. Netflix reduced startup time by 70% after migrating to Node.js. It powers 60% of backend developer roles.
Non-blocking I/O handles 10,000+ concurrent connections on one thread — no thread pool overhead.
2.1M+ packages — the largest software registry in the world. Find a package for anything.
Same language front and back — frontend devs become full-stack overnight.
Netflix migrated to Node.js and cut startup time by 70%. LinkedIn moved from Ruby and got 20x performance.
Lightweight, fast startup, tiny memory footprint — perfect for containerised microservices.
Flexible pricing — reply in 24 hours.
Node.js powers Netflix, LinkedIn, PayPal, Walmart, and thousands of startups. It's the most in-demand backend skill for JavaScript developers — combining with React creates a premium MERN full-stack profile.
Join thousands of developers building production-grade Node.js applications for Netflix, startups, and enterprises.