Practice
Mock interview
Rehearse the real thing: get a prompt, start the clock, and design out loud (whiteboard or notes). When you're done, reveal the model approach and rubric, and score yourself honestly. Talking through your reasoning is what's actually graded.
00:00
Hit New prompt to begin. Give yourself the suggested minutes before revealing the answer.
📝 Scratchpad & Whiteboard
Use this text space to sketch your API paths, estimate capacities, and lay out database structures.