One step closer to your next round
Interview prep
Practice, explore designs and prepare for your next round.
Short links · Interview plan
Read a complete short-link architecture, decisions and feedback, then explore the existing Lab.
Read the complete exampleKeep preparing
Mock interviewMy preparation workspace
Continue existing targets, rounds, tasks and evidence in one workspace.
Questions and review
Practice questions, keep answers and feedback, and return to the current round.
System Design
Reference reading and interactive simulations share topic resources and preserve existing Lab progress.
Interactive Lab
Explore data paths, architecture choices and failure behaviour in the interactive Lab.