Interview prep for
the real world
LeetCode trains you to perform. Aryn trains you to ship.
Practice on real codebases. Work on actual issues. Get hired.
LeetCode is dead.
AI can solve any algorithm problem. Startups know this. They're moving to take-home projects and live coding in real codebases. There's no platform training engineers for this shift—until now.
How it works
Two sides of the same platform. Real signal for everyone.
Pull in a real codebase
Import any open source repo by git commit hash. Work on the actual codebase as it existed at that point in time.
Pick an issue
Choose from real GitHub issues tied to that commit. The kind of work you'd actually do on the job.
Ship your solution
Your work is recorded, reviewed, and verified. Build a profile of real contributions, not algorithm scores.
Get paid
Many issues have bounties attached. Earn money while building proof of your engineering ability.
The difference
Pattern memorization vs. real engineering.
| LeetCode | Aryn | |
|---|---|---|
| What you practice on | Toy problems in isolation | Real codebases with history |
| What it tests | Pattern memorization | Actual engineering ability |
| Time pressure | 45 minutes to solve a puzzle | Hours to ship a feature |
| Your output | A correct answer | Production-ready code |
| Signal for hiring | Can recite algorithms | Can navigate and contribute to a codebase |
| AI-resistant | No. ChatGPT aces it. | Yes. Real work can't be faked. |
The interview is no longer a whiteboard.
It's a real codebase. We're the only platform built for that.