System design practice
Practice HLD & LLD, get reviewed instantly.
Solve real interview-style design problems on an interactive canvas. Every submission is validated and comes back with remarks and concrete suggestions to improve.
- 1Pick a problem
HLD architecture or LLD class design, from easy to hard.
- 2Design it
Draw your solution on the canvas and explain your approach.
- 3Get it validated
Automated checks and an AI reviewer assess your design.
- 4Improve
Act on the remarks and suggestions, then resubmit.