Prove your skills with curated challenges
Pick a topic, choose your difficulty, and clear a whole track to earn its verified badge.
Skill tests that actually verify
Curated tracks
Tracks across AI, ML, Quant & Trading, SWE, Finance, and more.
Curated tracks
In-demand topics
Focused on the skills high-bar roles actually test for.
In-demand topics
Climb at your pace
Start where you are and work up the difficulty as you improve.
Climb at your pace
How It Works
From a topic to a verified badge.
1
Pick a topic
Choose a track in your target area — from probability and ML systems to data structures and valuation.
2
Choose your difficulty
Start at Easy, Medium, or Hard. Each tier maps to a Bronze, Silver, or Gold badge.
3
Clear the track & earn the badge
Pass the graded challenges to clear the track and earn its verified badge.
Frequently Asked Questions
Turn skills into proof
Clear a track, earn its badge, and let your verified profile do the talking.
Get Started Free