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 190Medium 2,498Hard 982
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4,310 questions

  1. 169Design a production video generation system from data collection through serving.HardSystem design· 30 min
  2. 170Design a production vision-language models system from data collection through serving.HardSystem design· 30 min
  3. 171Design a production voice cloning system from data collection through serving.HardSystem design· 30 min
  4. 172Design a proof of concept for an enterprise customer in one week.HardProduct· 20 min
  5. 173Design a red-team program for a new general-purpose model.HardSystem design· 30 min
  6. 174Design an ablation study for a new agent architecture.Hard· 30 min
  7. 175Design an account-research and personalization pipeline for 10,000 prospects.HardProduct· 30 min
  8. 176Design an agent that can safely call external tools.HardSystem design· 30 min
  9. 177Design an AI coding assistant for a large enterprise codebase.HardProduct· 30 min
  10. 178Design an enterprise architecture for using multiple model providers.HardSystem design· 30 min
  11. 179Design lead routing across territories, segments, and account ownership rules.HardProduct· 20 min
  12. 180Design memory for a long-running personal AI assistant.HardSystem design· 30 min
  13. 181Design observability for an LLM application.HardSystem design· 20 min
  14. 182Design reliable synchronization between a CRM, data warehouse, and enrichment providers.HardSystem design· 30 min
  15. 183Detect a loop in LLCoding· HHashedIn
  16. 184Diameter of Binary TreeEasyCoding· Nvidia
  17. 185Digit Count in RangeCoding· Amazon
  18. 186Dijkstra's algorithmCoding· Atlassian, Google
  19. 187Distinct subsequencesCoding· Amazon, Microsoft
  20. 188Divide ChocolateCoding· Sprinklr
  21. 189Explain a complex AI system to a nontechnical stakeholder and gain buy-in.MediumBehavioral· 10 min
  22. 190Explain attention in a transformer at an intuitive and mathematical level.Hard· 20 min
  23. 191Explain function calling and how it differs from asking for JSON in a prompt.Easy· 5 min
  24. 192Explain how retrieval-augmented generation works.Easy· 5 min