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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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2,498 questions

  1. 193Course ScheduleMediumCoding· Zoho
  2. 194Validate IP AddressMediumCoding· Salesforce
  3. 195The candidate reports a design question about detecting a prolonged stopped cab in a safety-sensitive journey and triggering an alert. Employer confirmation is absent. The source's scenario details are incomplete for implementation.MediumSystem designData· Delhivery
  4. 196The employer publishes a reproducible data-ingestion and analysis exercise using public city datasets, with an emphasis on code, documentation and results. Consult the opened source for current scope rather than stale search snippets.MediumCodingData· NPNYC Planning
  5. 197The public Integrations Developer challenge includes a command-line client for listing organization vulnerabilities through the Contrast API. It is not verified Security Engineer interview evidence.MediumCodingTechnical· Contrast Security
  6. 198BiLSTM vs TransformerMediumData· Amazon
  7. 199RAG vs fine-tuningMediumData· APAI PM/DS interview prep
  8. 200Context windows and their practical limitsMediumAI ML· Rr/ExperiencedDevs
  9. 201Why divide by sqrt(d_k) in scaled dot-product attention?MediumAI ML· OMOpenAI MLE
  10. 202Implement a BPE tokenizer from scratchMediumCodingSystem design· OpenAI
  11. 203Implement an async task queue with a concurrency limitMediumCodingSystem design· Neon
  12. 204Implement beam search decodingMediumCodingSystem design· PAPerplexity AI
  13. 2051M users drop off at 6 monthsMediumData· Netflix
  14. 206Cumulative weekly retention (SQL)MediumData· Pinterest
  15. 207Know your own project inside-outMediumData· Duolingo
  16. 208Measure engagement for a productivity appMediumData· Netflix
  17. 209Urgent decision with incomplete information (Bias for Action)MediumData· Amazon
  18. 210Your ML approach didn't workMediumData· Microsoft
  19. 21101 Matrix: find the nearest zero for every cellMediumCoding· Adobe, Oracle
  20. 212What two new features would you add to a car garage?MediumProduct· Google
  21. 213As a food delivery company, how would you address increased delivery times?MediumDataProduct· DoorDash, Google
  22. 214How would you address negative feedback on Chrome's video ad auto-play?MediumDataProduct· Google
  23. 215How would you address a performance decline in a program?MediumDataProduct· Amazon, Slack
  24. 216What's the effect of adjusting an LLM's context window size?MediumAI MLTechnical· OpenAI