Node.js & Express.js

Module 1: Introduction to Node.js

• Overview of Node.js and server-side JavaScript
• Node.js architecture: Event loop and non-blocking I/O
• Node.js vs. traditional server technologies
• Node.js installation and npm setup
• Node.js use cases: APIs, microservices, real-time apps

Module 2: Node.js Core Modules

• File system (fs) module
• HTTP module for basic server
• Path and OS modules
• Events and EventEmitter
• Streams and buffers

Module 3: npm and Package Management

• npm vs. yarn vs. pnpm
• package.json and package-lock.json
• Installing and managing dependencies
• Creating and publishing npm packages
• Semantic versioning

Module 4: Asynchronous Node.js

• Callbacks and callback hell
• Promises and Promise chaining
• Async/Await patterns
• Error handling in async code
• Worker threads for CPU-intensive tasks

Module 5: Express.js Fundamentals

• Express.js architecture and setup
• Routing: GET, POST, PUT, DELETE
• Middleware: Built-in and custom
• Request and response objects
• Express Router for modular routes

Module 6: REST API Development

• RESTful API design principles
• CRUD operations with Express
• Request validation with Joi/Zod
• API versioning strategies
• Pagination and filtering

Module 7: Database Integration

• MongoDB with Mongoose ORM
• PostgreSQL with Sequelize or Prisma
• MySQL with Node.js
• Redis for caching
• Database connection pooling

Module 8: Authentication and Security

• JWT (JSON Web Token) authentication
• OAuth 2.0 with Passport.js
• bcrypt for password hashing
• Helmet.js for HTTP security
• Rate limiting and CORS

Module 9: Real-Time with WebSockets

• Socket.io for real-time communication
• WebSocket events and rooms
• Real-time chat application
• Live notifications with Socket.io
• Scaling WebSocket with Redis adapter

Module 10: Node.js Microservices

• Microservices architecture with Node.js
• REST vs. gRPC for microservices
• RabbitMQ and Kafka with Node.js
• Docker for Node.js microservices
• API Gateway pattern

Module 11: Testing and Deployment

• Unit testing with Jest and Supertest
• Integration testing for APIs
• PM2 for process management
• Docker containerisation for Node.js
• Deploying to AWS, GCP, and OCI

Module 12: Real-Time Projects and Case Studies

• RESTful API for e-commerce platform
• Real-time chat application with Socket.io
• End-to-end Node.js backend project
• Certification and interview preparation

Experience in the Industry Gain knowledge from experts with hands-on Node.js and Express.js development experience in enterprise API and microservices projects.

Backgrounds at the Top Prominent corporations such as Infosys, Wipro, Freshworks, and leading Node.js product companies employ our trainers.

Clear & Effective Teaching Excellent communication and real-world examples simplify complex asynchronous programming, REST API design, and microservices.

Hands-On Learning Focus Students apply skills by building real REST APIs and real-time applications using Node.js, Express.js, and MongoDB.

Up-to-Date Knowledge Trainers stay current with Node.js LTS, Prisma ORM, WebSocket scaling, and latest backend development best practices.