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4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

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4 questions

  1. 1Implement a rate limiter for an LLM API.MediumCoding· 10 min· OpenAI
  2. 2Design and implement an in-memory key-value store that supports set, transactional begin, commit, and abort operations.HardCoding· OpenAI, xAI
  3. 3Design a task scheduler in Python.MediumCoding· Google, OpenAI
  4. 4Infection spread simulation.MediumCoding· OpenAI