By Technoupskills – Learn Backend Development with Node.js & Build Scalable Web Applications

Master Node.js, the powerful server-side JavaScript runtime, and learn how to build fast, scalable, and real-time web applications using JavaScript from backend to frontend. This course is perfect for those aiming to become full-stack or backend developers.

💡 What You’ll Learn

✅ Node.js fundamentals & environment setup
✅ Working with core modules (fs, path, http)
✅ Asynchronous programming with callbacks, promises & async/await
✅ Building RESTful APIs
✅ Express.js framework integration
✅ Middleware, routing, and templating
✅ Connecting to databases (MongoDB & MySQL)
✅ Authentication & authorization (JWT, sessions)
✅ Real-time apps with Socket.io
✅ Deployment to cloud platforms

✅ Concepts Covered

🔶 Node.js Basics

• What is Node.js and why use it?

• Installing Node.js & npm

• Running JavaScript using Node.js

• Node.js REPL (Read-Eval-Print Loop)

• Understanding the event loop

🔷 Core Modules

• fs (File System) module for reading/writing files

• path module for handling file paths

• http module for creating servers

• os, events, and url modules

🟡 Asynchronous Programming

• Callbacks and error handling

• Promises and chaining

• async/await syntax

• Event-driven programming model

🟢 Express.js Framework

• Installing and setting up Express

• Creating routes and handling requests

• Middleware functions and usage

• Serving static files

• Error handling and logging

• Template engines (EJS, Handlebars, Pug)

🔵 RESTful API Development

• Designing REST APIs

• CRUD operations (Create, Read, Update, Delete)

• Handling JSON data

• Route parameters and query strings

• Using Postman for API testing

🔴 Database Integration

• MongoDB with Mongoose

  • Schema design, models, and queries

• MySQL with mysql2 or Sequelize

  • Tables, joins, and ORM basics

🟣 Authentication & Security

• Hashing passwords with bcrypt

• User authentication using JWT (JSON Web Tokens)

• Session-based authentication

• Securing APIs and data validation

⚡ Real-Time Applications

• Introduction to WebSockets

• Using Socket.io for real-time communication

• Building a real-time chat app or notification system

🛠️ Deployment

• Preparing Node.js apps for production

• Using process managers (like PM2)

• Deploying on platforms like Render, Vercel, or DigitalOcean

• Environment variables and configuration

🎓 Who Should Enroll?

• JavaScript developers learning backend development

• Frontend developers aiming to become full-stack

• Anyone building scalable, API-driven web apps

📦 What You Get

• Full access to step-by-step video lessons

• Downloadable project files

• Hands-on assignments & quizzes

• Real-world backend projects

• Certificate of Completion