Backend Development using JavaScript (Node.js)

In this module, you learn what is Node.js, the advantages of Node.js, how Node.js works, its difference between the traditional web server, and the limitations of the traditional web server model.

In this module, you will learn about the tools required and steps to set up the development environment to develop a Node.js application and to work with the REPL to work with the Console.

In this module, we will deal with working with npm to install and update packages.

You will learn the concept of callback functions, and how synchronous and asynchronous functions work.

In this module, you will learn what is a module, functions, and examples, achieving modularity and separation of concern with the NodeJS Modules.

In this module, you will learn how to create and consume RESTful APIs, set up routes, handle HTTP methods, and use JSON for data exchange.

This module will cover user authentication with session-based and token-based approaches like JWT, as well as role-based access control.

Learn the fundamentals of working with relational databases like MySQL and non-relational databases like MongoDB. This includes basic CRUD operations and connecting Node.js to a database.

Understand how middleware works in Express.js and how to use it for handling requests, authentication, logging, and error handling.

In this module, you will learn best practices for error handling, creating custom error classes, and using debugging tools like Winston and Morgan.

This module will cover strategies for API versioning and how to implement pagination in your API responses.

Dive into database indexing, schema design, query optimization, and advanced SQL/NoSQL techniques to improve application performance.

Learn how to implement Websockets for building real-time applications like chat apps and live notifications.

Understand the steps to deploy a Node.js application to platforms like AWS, Heroku, or Vercel, and strategies for scaling applications to handle high traffic.

Learn the principles of microservices architecture, how to break applications into smaller services, and how to use tools like Docker and Kubernetes.

This module focuses on writing unit tests, integration tests, and end-to-end tests for backend applications using tools like Jest, Mocha, and Postman.

Explore the event-driven nature of Node.js, working with the EventEmitter, and using message brokers like RabbitMQ or Kafka for asynchronous communication.

Understand how to secure your backend with techniques like input validation, rate limiting, CORS, and protection against common vulnerabilities (e.g., SQL injection, XSS).