Practice with an AI interviewer. Real-time voice conversation, scored rubric, and detailed feedback.
Silent canvas mode. Sketch your architecture, write pseudocode, and get AI feedback.
Open WhiteboardGuided learning mode. The AI teaches concepts, gives hints, and explains tradeoffs.
Start TutorFull architecture walkthrough with diagrams, tradeoffs, and deep dives.
View Case StudyDesign a system for design payment system. Consider scalability, reliability, and performance at scale.