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Learn Express.js

Gain insights into Express.js essentials—routing, middleware, and RESTful APIs. Learn to integrate MongoDB, JWT authentication, validation, real-time features, and logging for scalable back-end apps.

4.3

33 Lessons

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LEARNING OBJECTIVES

An understanding of Express.js and its role in backend web development
Working knowledge of routing, middleware, and RESTful API design
Hands-on experience building secure, data-driven APIs with JWT and MongoDB
The ability to structure modular, maintainable, and scalable Express applications
Familiarity with dynamic rendering, real-time communication, and structured logging
Hands-on experience applying data validation, sanitization, and security best practices

Learning Roadmap

41 Lessons1 Project1 Mock Interview

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YOUR ROADMAP

Express.js Orientation

Start exploring Express.js to learn its role, structure, and how it supports simpler backend development.

Getting Started with Express.js: What to Expect

Quick Refresher on Node.js

Node.js Essentials

Explore Node.js basics—modules, async code, events, file system, buffers, and streams—to build a strong foundation before moving on to Express.js.

Running Node.js and Writing Basic Scripts

Working with JavaScript in Node.js

Introduction to Modules

Understanding Asynchronous JavaScript

Introduction to Event-Driven Programming

Working with Files and Directories

Introduction to Buffers

Working with Streams

Introduction to npm

Working with npm Packages

Getting Started with Express.js

5 Lessons

Learn how Express.js simplifies HTTP handling through routing and middleware.

Diving Deeper into Routing

4 Lessons

Master routing techniques in Express.js, including dynamic routing, modular organization, and effective error handling.

Mastering Middleware

3 Lessons

Leverage middleware in Express.js for enhanced request management and application performance.

Building RESTful APIs and Integrating Databases

5 Lessons

Design and develop robust RESTful APIs with MongoDB integration, CRUD operations, and data validation in Express.js.

Securing Your Express Applications

7 Lessons

Master secure user authentication and protect Express.js applications from various threats.

Beyond APIs: UI Rendering, Real-Time Communication, and Logging in Express

4 Lessons

Explore dynamic content creation, real-time communication, and structured logging in Express.js applications.

DevConnector Project

Project

Conclusion

Reflect on your Express.js journey and embrace best practices as you prepare for the next stage in backend development.

Reflections and Takeaways

Backend Node and Express Developer

Mock Interview

Premium

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

ABOUT THIS COURSE

Express.js is a popular Node.js framework, especially useful for building APIs and server-side apps. It’s lightweight, unopinionated, and flexible, giving you full control over how your app is structured. Whether new to backend development or ready to build production-grade services using JavaScript, Express is a great place to start. This customizable roadmap begins with a quick review of Node.js and asynchronous JavaScript. Then, you’ll cover Express.js essentials like routing, middleware, and modular app structure. You’ll learn to build RESTful APIs, connect your app to a database, and implement JSON web tokens (JWT) authentication. You’ll also explore validation and sanitization for added security. Finally, you’ll understand templating engines, real-time features using Socket.IO, and structured logging using Winston. By following this roadmap you’ll have a solid grasp of Express.js and the confidence to build secure, scalable, production-ready backend applications tailored to your own learning goals.

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