Question bank
4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
Easy 6Medium 24Hard 33
Filters · onDifficulty, topic, company
33 questions
- 25Design a real-time recommendation systemHardCodingSystem design
- 26Design a semantic search system at scaleHardCodingSystem design
- 27Design an AI coding agent (Cursor / Copilot / Claude Code style)HardCodingSystem design
- 28Design an LLM inference platform (vLLM-as-a-Service)HardCodingSystem design
- 29Design an ML feature storeHardCodingSystem design
- 30Design an RLHF pipelineHardCodingSystem design
- 31Design a medical diagnosis assistant using AIHardCodingSystem design
- 32Design a multi-tenant AI chatbot platformHardCodingSystem design
- 33Design an AI search engine for an e-commerce platformHardCodingSystem design