Practice by doing, with feedback on every attempt.
Pick a track, solve real interview-style problems and get reviewed instantly, so you know exactly what to improve next.
- Live
System Design
Design HLD architectures and LLD class diagrams on an interactive canvas, then get an instant AI review.
- HLD & LLD problems
- Drag-and-drop design canvas
- Score, remarks and step-by-step suggestions
- Coming soon
DB Design
Model schemas, relationships, indexes and normalisation for real-world scenarios, reviewed like system design.
- ER modelling
- Keys, indexes and constraints
- Query and scale trade-offs
- Coming soon
Coding
Solve coding problems against test cases and get feedback on correctness, complexity and code quality.
- Data structures & algorithms
- Run against test cases
- Complexity and style feedback
