Node.js & Express

Testing backend applications: unit tests, integration tests, mocking and best practices

Building well-designed REST APIs from scratch

Design professional REST APIs with validation, documentation, and best practices

Understand Express.js, create your first web server, and master basic routing

Master Express middlewares: creation, chaining, error handling, and essential middlewares

Prepare your Express application for production: security, performance, monitoring and deployment

Master asynchronicity in Node.js: callbacks, Promises, async/await, EventEmitter, and Streams

Introduction to Node.js and the npm ecosystem

Understand what Node.js is, why it revolutionizes backend development, and how to install it

Master CommonJS and ES Modules, and manipulate the file system

Master npm: scripts, npx, workspaces, publishing, and advanced dependency management

Learn to design clean, scalable REST APIs following industry best practices

Communicate in real-time between client and server with WebSockets and Socket.io