Master Frontend Coding Challenges and Ace Technical Interviews
Practice your frontend technical skills with real-world challenges, designs, and coding tasks. Submit your solution, level up your portfolio and get job-ready with our courses and challenges.
Try for free

Prep Smarter and Get Job-Ready

Realistic Coding Challenges
Go beyond data structures and algorithms. Add features, fix bugs, and improve code just like you would on the job.

Build Modern UIs
We provide the designs so you can focus on the code. Practice building components - modals, forms, interactive elements, and more - and hit the ground running.

Master Key Concepts
Dive deep into the fundamentals of React, HTML, CSS, and JavaScript. Follow structured, project-based courses that give your learning direction and purpose.

Get Out of Tutorial Hell
Learn by Doing, Not Just Watching
Skip the endless tutorials and videos. ReactStack is built around interactive, hands-on challenges that simulate real developer tasks.
Every challenge is designed to mimic the kinds of problems you'd face on the job or in a technical interview. Download the starter files or work in our online editor to get started.
Understand the Problem
Master Core Concepts and Deepen Your Knowledge
Solving a challenge is one thing, understanding the principles behind it is what makes you stand out. Get in-depth walkthroughs that break down the problem and help you understand the underlying logic.
Our focused courses help you master core front-end concepts to help you become a better developer.

Simple, transparent pricing
Start free, upgrade when you're ready to accelerate your career.
Free Plan
Get access to a limited set of challenges and resources.
$0
- ✔Access to Coding Challenges (Limited)
- ✔UI Challenges (Limited)
- ✖Solutions & Explanations
- ✖Downloadable UI Assets
- ✖Frontend Lessons and Courses
- ✖Lifetime Access
Premium Plan
Unlock all challenges, solutions, and learning content forever with one single payment.
$49
- ✔Unlimited Access to Coding Challenges
- ✔Unlimited UI Challenges
- ✔Solutions & Explanations
- ✔Downloadable UI Assets
- ✔Frontend Lessons and Courses
- ✔Lifetime Access
Trusted by Developers
I've tried a bunch of tutorials before, but this platform finally made frontend development click for me. The challenges are fun, the lessons are clear, and I love that I can see solutions when I get stuck.
Sarah T.
Junior Frontend Developer
This was exactly what I needed to prepare for my frontend interviews. The coding challenges feel just like the real thing, and the interview mode helped me stay sharp. I landed my first dev job last month!
David L.
Software Developer
The UI challenges are amazing. They've helped me improve my HTML and CSS skills way more than just watching videos. It's like Frontend Mentor, but with guided practice and more structure.
Albert F.
Software Developer Intern

Get Started Now With ReactStack
Practice frontend and full-stack skills with real challenges, designs, and coding tasks. Submit your solution and level up your portfolio.
How it works
Choose your challenge
Browse our collection of challenges whether it's a technical or UI challenge. Pick one that aligns with your goals.
Start the challenge
Work on our online editor or use your preferred code editor to complete the challenge.
Review your solution
Upload your completed solution to share with the community or review our solutions to compare and learn from others.
Continue to Learn
Review our courses and lessons to gain more in depth knowledge of coding practices and stay up to date with the latest technologies.



