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Learner Reviews & Feedback for Full-Stack JavaScript: Build a Real-Time Chat App by JetBrains

5.0
stars
13 ratings

About the Course

In this course, you will learn how to design and build a real-time, full-stack JavaScript application from scratch. By the end of the course, you will understand how modern web applications function across the frontend, backend, and deployment environments. You will start by developing a backend using Node.js and Express, where you will implement REST APIs, authentication, and data handling. Then, you will build an interactive frontend using React, creating a multi-page application with routing, state management, and API integration. To enable real-time communication, you will implement WebSockets to connect the frontend and backend for live chat functionality. Throughout the course, you will apply your knowledge by building a real-time chat application, gaining practical experience with modern development tools and architectural patterns. You will also learn how to structure applications with a clear data layer, test and debug server code, and prepare your project for deployment using Docker and containerized services. By completing this course, you will gain hands-on experience with the essential technologies of modern full-stack development and build a complete project that you can expand and improve long after the course ends....

Top reviews

TV

Apr 20, 2026

A very well-composed course with a focus on hands-on experience, not just theory!

CM

Apr 20, 2026

wonderful introduction to full stack with javascript

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1 - 13 of 13 Reviews for Full-Stack JavaScript: Build a Real-Time Chat App

By Ekaterina T (

Apr 15, 2026

Great course for anyone starting with full-stack JavaScript. I liked that it focuses on building a real-time chat app, so the material feels practical from start to finish. The course gives a clear introduction to Node.js, Express, React, APIs, WebSockets, and deployment, and helps connect backend and frontend concepts into one complete picture.

By Sofia K

Apr 13, 2026

I like this course because it explains the basics of full-stack JavaScript in a very practical way. Building a real-time chat app makes the learning process more engaging. A good choice for anyone who wants a simple hands-on introduction to full-stack development.

By Anastasiia P

Apr 20, 2026

Solid course. I was worried it’d be too theory-heavy but it’s pretty project-focused, you’re coding most of the time. Express + React made sense by the end, and adding real-time messaging was the fun part.

By Natalia F

Apr 14, 2026

Very useful! Explains building blocks that every app consists of, feels like really important basis for building any type of software in the future.

By Зинаида С

Apr 13, 2026

Really practical course. I am actually building something real instead of just watching videos. Will post it to github and use in my portfolio!

By Anastasia

Apr 13, 2026

Really liked the project-based approach! Building a real app made it super hands-on.

By Tatiana V

Apr 21, 2026

A very well-composed course with a focus on hands-on experience, not just theory!

By Emilia A

Apr 13, 2026

Nice course, covers the basics. Good for the beginners.

By Clara M

Apr 21, 2026

wonderful introduction to full stack with javascript

By Emma

Apr 13, 2026

JB always delivers the best courses, thank you!

By Masha O

Apr 15, 2026

Thank you team for your beautiful course :)

By Илья Ч

Apr 13, 2026

Loved the prof tools and practical tasks

By Ramazan D

Apr 21, 2026

Great course! Perfect for beginners!