Hey dev, is AI making you dumb?
Practice daily SWE core fundamentals with more than 10 tracks.
systems design/data engineering/java/JS-TS/SQL ... and much more
Xp & rewards system, streaks, day freezes, badges, leagues, leaderboards...
Invite your friends, challenge them, and keep up with SWE fundamentals.
100% free - FOREVER, because our early users deserve it.
