ZETLAN TECHNOLOGIES
Course Categories 172+
Cloud & Infrastructure 7
Networking 8
Virtualisation 5
IT Security 10
CyberSecurity & Mgmt 14
Software Development 16
Web Dev & Database 27
Data Science & AI 14
Mobile, Testing & Games 22
Design & Creative 49
Navigation
Home Business About Us Contact Us All Courses FAQ & Help
Contact Us
+91 8680961847 +91 8680961847 (WhatsApp) info@zetlantechnologies.com
Browse by Domain
Cloud & Infrastructure 7
Networking 8
Virtualisation 5
IT Security 10
CyberSecurity & Mgmt 14
Software Development 16
Web Dev & Database 27
Data Science & AI 14
Mobile, Testing & Games 22
Design & Creative 49
2000+ Courses · 15+ Technology Domains
Microsoft Cisco AWS EC-Council View All Courses
Node
JavaScript Runtime for Server-Side

Build Scalable

Node.js Apps v22 LTS

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.

Express.js REST API Socket.io MongoDB JWT Auth npm Event Loop Streams Microservices Docker
Enroll Now Brochure
Node.js Event Loop Architecture
Call Stack
JS execution context
Node APIs
setTimeout, fs, http
Callback Queue
Macro-tasks queue
Microtask Queue
Promises, queueMicrotask
↺ Event Loop
const app = require('express')()
app.get('/api/users', async (req, res) => {
  const users = await User.find()
  res.json({ users }) // ✓
})
13
Modules
Full Node.js
75 hrs
Duration
Project-based
Node v22
LTS
Active support
Cert
Included
Industry recognised
24/7
Support
Expert guidance
What You Master

The Complete Node.js Skill Set

🟩
Node.js Fundamentals

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.

EventEmitterStreamsBufferrequireprocess
🚀
Express.js & REST APIs

Routing, middleware, controllers, request/response, validation, versioning, and Swagger docs.

🗄️
Database Integration

MongoDB + Mongoose, PostgreSQL + Prisma, Redis caching, connection pooling.

60%
of backend developers use Node.js — powering Netflix, LinkedIn, and PayPal.
💬
Real-Time with Socket.io

WebSockets, rooms, namespaces, broadcasting, real-time chat, and live dashboards.

🔐
Authentication & Security

JWT tokens, bcrypt, Passport.js, OAuth 2.0, refresh tokens, rate limiting, helmet.js, and CORS.

const token = jwt.sign(
 { userId: user.id },
 process.env.SECRET,
 { expiresIn: '7d' })
🧪
Testing

Jest, Supertest, Mocha/Chai, mocking, API integration tests, code coverage with Istanbul.

☁️
DevOps & Deploy

Docker, PM2 process manager, Nginx reverse proxy, GitHub Actions, AWS/Railway.

Node.js 22 Active LTS
Performance & Advanced Patterns

Redis caching, rate limiting, compression, worker threads for CPU-bound tasks, clustering, and profiling with Chrome DevTools.

Why Node.js

Why Netflix, LinkedIn & PayPal Chose Node.js

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.

Insanely Fast I/O

Non-blocking I/O handles 10,000+ concurrent connections on one thread — no thread pool overhead.

npm Ecosystem

2.1M+ packages — the largest software registry in the world. Find a package for anything.

JavaScript Everywhere

Same language front and back — frontend devs become full-stack overnight.

Netflix & LinkedIn Use It

Netflix migrated to Node.js and cut startup time by 70%. LinkedIn moved from Ruby and got 20x performance.

Microservices Natural Fit

Lightweight, fast startup, tiny memory footprint — perfect for containerised microservices.

Technologies You'll Master
Node.js v22
Express.js
npm
MongoDB
PostgreSQL
Redis
Socket.io
JWT
Passport.js
Jest
Supertest
Docker
PM2
Nginx
AWS
GitHub Actions
Node.js v22
Express.js
npm
MongoDB
PostgreSQL
Redis
Socket.io
JWT
Passport.js
Jest
Supertest
Docker
PM2
Nginx
AWS
GitHub Actions
Curriculum

13-Module Node.js Mastery Programme

  • What is Node.js & the V8 engine
  • Event-driven vs thread-based models
  • Installing Node.js & setting up environment
  • Running first script, REPL
  • Node.js vs other backend technologies
  • Global objects: process, console, __dirname
  • fs module: reading/writing files sync & async
  • path, os, and url modules
  • EventEmitter class & custom events
  • Buffers & streams (readable, writable, transform)
  • CommonJS modules: require & module.exports
  • ES modules: import/export & package.json type
  • npm: install, update, scripts, workspaces
  • package.json & semantic versioning
  • Creating and publishing npm packages
  • Callback pattern & callback hell
  • Promises: chaining, .then(), .catch()
  • async/await with try/catch
  • Promise.all() & Promise.race()
  • Event loop: micro-tasks vs macro-tasks in depth
  • Node http module: raw HTTP server
  • Installing & configuring Express.js
  • Routing: GET, POST, PUT, DELETE, PATCH
  • Middleware: built-in, third-party, custom
  • Request & response objects in detail
  • RESTful API design principles
  • Controller pattern & route separation
  • Input validation with Joi/Zod
  • Error handling middleware
  • OpenAPI/Swagger with swagger-ui-express
  • MongoDB with Mongoose: schemas, models, CRUD
  • Aggregation pipeline & indexing
  • PostgreSQL with Prisma ORM: migrations, queries
  • Redis for caching: get, set, expiry
  • Connection pooling & best practices
  • JWT: sign, verify, access & refresh tokens
  • bcrypt for password hashing
  • Passport.js strategies (Local, JWT, OAuth)
  • Protected routes & middleware guards
  • Session management alternatives
  • WebSocket protocol basics
  • Socket.io server & client setup
  • Rooms, namespaces & broadcasting
  • Building a real-time chat app
  • Real-time dashboard with live data updates
  • Jest: unit testing functions & modules
  • Supertest: HTTP endpoint testing
  • Mocking with jest.mock()
  • Database mocking with jest-mongodb
  • Code coverage reports
  • Global error handling middleware
  • Winston logger: transports, formats
  • Morgan HTTP request logging
  • Uncaught exception & unhandled rejection
  • Sentry for production error tracking
  • Redis caching strategy
  • Rate limiting with express-rate-limit
  • Compression middleware
  • Node.js cluster module
  • Worker threads for CPU tasks
  • Dockerfile for Node.js (multi-stage)
  • Docker Compose: Node + MongoDB + Redis
  • PM2 for process management
  • Nginx as reverse proxy
  • GitHub Actions CI/CD to AWS/Railway/Render
Course Snapshot
13 Modules
Full Node.js stack
75+ Hours
Total learning
Download Available
Offline access
Certificate
On completion
Tech Support
Call / WhatsApp
Mon–Fri
9 AM – 6 PM
Enroll Now Download Brochure
Have Questions?

Chat with our Node.js experts instantly.

WhatsApp Us
Pricing & Packages

Get a Custom Quotation

Flexible pricing — reply in 24 hours.

Career Outcomes

Node.js Engineers Are Everywhere

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.

Netflix
Node.js backend
LinkedIn
API & real-time
PayPal
Payment APIs
Walmart
eCommerce
Node.js Backend Developer
Build REST APIs and server-side apps with Node.js.
₹6–18 LPA
MERN Stack Developer
React frontend + Node.js backend full-stack apps.
₹8–25 LPA
REST API Developer
Design and build scalable REST APIs for web/mobile.
₹7–20 LPA
Real-Time App Developer
Chat, collaboration, and live dashboard applications.
₹8–22 LPA
Node.js Architect
Design scalable Node.js microservices architectures.
₹15–42 LPA
2.1M
npm packages
10K+
Concurrent connections
₹6–42L
Salary range
Node 22
Active LTS
New Batch Starting Soon — Limited Seats

Ready to Build with Node.js?

Join thousands of developers building production-grade Node.js applications for Netflix, startups, and enterprises.

Enroll Now Call Us WhatsApp
Zetlan Technologies
Online — Replies in minutes
👋 Hi! Welcome to Zetlan Technologies.

Interested in Node JS? Ask us anything!
Just now
Course Details Batch Schedule Free Demo Fee Structure
Open WhatsApp Chat
Your info is safe with us
💬 Chat with us!