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PROVE WHAT YOUCAN ACTUALLY BUILD

Practice on real-world software engineering challenges.
Skills learners can prove — progress schools and teams can measure.

For teams & schools →
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Grading real code doesn't scale and AI made proof even harder

Tutorials are too guided

Follow-along lessons don't show what someone can build on their own.

Review doesn't scale

Nobody can hand-review every learner's code, every week, by hand.

AI can write the homework

Finished code alone no longer proves the skill behind it.

DojoCode gives every learner real-world challenges with automated evaluation — practice stays hands-on, progress stays measurable, and skills stay real.

Practice on Real-World Code Challenges

Every challenge is a working project in your browser — real code, real tests, real output. Pick a language and difficulty, ship a solution, and get instant automated feedback on what you built.

Explore Challenges
Code challenges feature illustration api.ts 1 2 3 4 5 6 7 async function fetchUsers( query : string ) { const res = await fetch( `/api/users?q= ${ query } ` ); const { data } = await res . json() ; return data . filter( u => u . active ) . map( u => ({ ... u , ts : Date . now() })); } ✓ All Tests Passed Runtime: 48ms Memory: 38.2 MB Intermediate +100 XP

Build Measurable Skills Across Every Domain

Follow curated skill paths in caching, data structures, security, and more. Each skill groups related challenges, so your progress maps to concrete competencies — with achievements and milestones that show how far you've come.

Explore Skills
Skills feature illustration Caching Optimized data retrieval caching lru cache 7 challenges Cache Master Automation Automating workflows & deployments automation 11 challenges Automation Architect Security Protecting systems & code cybersecurity encryption 11 challenges Security Sentinel Integration & API Connecting services & events rest api data fetching 13 challenges API Architect

Follow Guided Learning Paths

Learning paths pair short lessons with hands-on challenges. Alex teaches the theory, checks your understanding, and hands you the right challenge next — or generates a personalized path from your skills, languages, and experience level.

Explore Learning Paths
Learning paths feature illustration security-fundamentals 1,250 XP 67% COMPLETE OWASP Top 10 challenge Completed Input Validation challenge In progress Secure Sessions challenge Locked A Nice work — the input validation challenge is up next.

Test Yourself in Code Contests

Contests put your skills on the clock. Solve realistic problems under time pressure, see how you rank against other developers, and add the results to your profile as proof of what you can do.

Explore Contests
Code contests feature illustration 🏆 Code Quest Test your problem-solving skills through logic puzzles, mathematical challenges, and code optimization tasks. Topics: algorithms, data structures, recursion, optimization Rank Prize 1st 1,000 Tokens + Swag + gift from sponsor 2nd 500 Tokens + Swag + gift from sponsor 3rd 250 Tokens + Swag + gift from sponsor ⚡ 3 Challenges Intermediate difficulty ⏱️ Time Remaining: 2:34:18 { } </>

Learn and Build with Alex, Your AI Companion

Stuck? Ask Alex in Understand mode for hints, explanations, and personalized feedback. Ready to move? Switch to Implement mode — describe the change in natural language, review the proposed diff, and apply it with one click.

AI Understand mode feature illustration Description Chat Understand Can you give me a hint for this challenge? I'm stuck on the recursion part. You 👨‍💻 Alex Alex is brewing wisdom... Explain more Show example Type your message... 🎤

Meet Alex, Your AI Career Coach

Tell Alex what you want to get better at. Your coach recommends challenges, generates personalized learning paths, and points you to upcoming contests — and its picks adapt as your skills progress, guided by your training settings.

Try the Career Coach
AI career coach feature illustration What should I focus on next? You 👨‍💻 Alex Based on your skills and training settings, here are my picks for you: Ask Alex anything... PERSONALIZED PICKS Challenge rate-limiter Medium Start → Learning Path api-design Continue → Contest weekly-#42 Starts in 2 days Join →

Collaborate Live and Code Together

Pair program in real time. Brainstorm solutions and tackle challenges with other developers in a shared editor — whether you're stuck on a problem, mentoring a teammate, or just want a second pair of eyes.

Live collaboration feature illustration solution.js A B C 1 2 3 4 5 function reverseString( str ) { return str. split( '' ) . reverse() . join( '' ); } Alex Bob Carl Live Session Active 👤 Alex (Host) 👤 Bob · 👤 Carl Synced in real-time 🔗 session.dojocode.io/abc123 📤

Build and Publish Real Projects

Projects are your personal workspace: start from a template, code in the browser with live preview, manage dependencies, and build with Alex at your side. When it's ready, publish it to a live URL on its own subdomain.

Projects feature illustration App.vue 1 2 3 4 5 6 <template> <h1>Hello Dojo</h1> <AppButton /> </template> <script setup> const app = ... dependencies vue vite pinia my-app.dojocode.net Hello Dojo Click me publish build ✓ deploy ✓ Live

Built for learners, classrooms, and teams

For learners

Build practical coding skills through real-world challenges — and a track record you can point to.

Explore Challenges

For schools & bootcamps

Give students hands-on assignments with automated evaluation and progress you can measure.

Explore DojoCode for Education

For teams

Train developers on realistic tasks and see exactly where skills are growing — and where they aren't.

Explore DojoCode for Teams

Need custom challenges for your students or team?

We help schools, bootcamps, and companies create practical assessments, private contests, and training paths tailored to their program.

Why should you join DojoCode?

Self-paced Learning

Practice on your own schedule with real-world challenges, learning paths, and contests — every submission evaluated automatically, so you always know where you stand.
Self-paced Learning image

Hands-on Learning

No endless tutorials. Every challenge is a working project you write, run, and test in the browser — skills you can actually demonstrate.
Hands-on Learning image

Collaborative Community

Pair program live, join contests, and learn alongside developers worldwide — with mentors and an active Discord when you're stuck.
Collaborative Community image

Here's what people think about us

  • DojoCode has been an amazing platform for sharpening my skills and keeping up with the latest technologies. The fun and creative contests, like the WW2 spy mission and the Mars rover mission, have made learning a blast! The live collaboration features and Discord community make it easy to connect with other developers, share knowledge, and tackle challenges together.
    Oleksii Lysenko
Senior Full Stack Engineer's avatar

    Oleksii Lysenko

    Senior Full Stack Engineer

  • I love that I can practice both TypeScript and Rust all in one place. The specialized challenges help me keep my knowledge sharp and relevant, especially in Typescript and web development. The fun and creative challenges make learning new concepts exciting and enjoyable.
    Serban Gavrus
Blockchain and Rust Developer's avatar

    Serban Gavrus

    Blockchain and Rust Developer

  • As a Design and Product Manager, I've always wanted to dive into the technical side of things. DojoCode has been a game-changer, offering hands-on coding challenges that help me understand software development concepts. I especially love the frontend challenges in Vue and React, and the AI Assistant is super useful for beginners like me to get hints when needed.
    Enrique Arranz
Design and Product Manager's avatar

    Enrique Arranz

    Design and Product Manager

  • As a Senior Full Stack Engineer, I appreciate the variety of challenges DojoCode offers. It’s a great place to test my skills, explore new programming paradigms, and stay sharp in a competitive field. The platform's coding contests and community-driven solutions are excellent for both personal growth and professional development.
    Tudor Munteanu
Senior Full Stack Engineer's avatar

    Tudor Munteanu

    Senior Full Stack Engineer

  • From the moment I joined, DojoCode has been an incredible resource for learning and honing my coding skills. The range of challenges, from beginner to expert level, makes it accessible to everyone. The gamified environment, with levels, XP points, and coins, makes learning fun and engaging. For me, the most valuable aspect is how these elements keep me motivated and excited to learn more every day.
    Andrei Popa
Principal Software Engineer's avatar

    Andrei Popa

    Principal Software Engineer

Recent blog posts

Meet Ctrl + AI thumbnail

Meet Ctrl + AI

Coding contests were built for a world where you worked alone. That world doesn’t exist anymore.

May 16, 2026

From Idea to Runnable Challenge in Minutes thumbnail

From Idea to Runnable Challenge in Minutes

How we're using the Model Context Protocol to generate complete, validated coding challenges — and what software developers actually think about the output.

March 31, 2026

Less Theory, More Practice: How DojoCode Builds Real-World Coding Skills in the Classroom thumbnail

Less Theory, More Practice: How DojoCode Builds Real-World Coding Skills in the Classroom

A recent study found that 68% of high school students say they enjoy coding, but only 22% feel they're actually good at it. So what’s missing? Practice. Real practice.

June 11, 2025

Start building proof of skill

Solve your first real-world challenge free — no setup, runs in the browser.