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.

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2,498 questions

  1. 2353Define the flow from order booking to delivery, including installation, for a customized drinking water purifier.MediumSystem design
  2. 2354Fraudulent TransactionsMediumCodingData
  3. 2355Design an experiment for emergent behaviorMediumAI ML
  4. 2356Distributed training across 1000 GPUsMediumAI ML
  5. 2357LLM inference latency optimizationMediumAI ML
  6. 2358ML fundamentals rapid-fireMediumAI ML
  7. 2359RAG, embeddings, reranking walk-throughMediumAI ML
  8. 2360RLHF / DPO post-trainingMediumAI ML
  9. 2361Scaling-laws critique (Chinchilla re-approach)MediumAI ML
  10. 2362Transformer from scratchMediumAI ML
  11. 2363Why OpenAI over the other labsMediumAI ML
  12. 2364Imagine you're conducting a user survey. What do you do if you can't get 'enough' respondents?MediumTechnical
  13. 2365What are outliers and how do you detect and handle them?MediumData
  14. 2366What would you do if the timelines of a product are scattered?MediumDataProduct
  15. 2367If short on time with limited background on the sprint before shipping, what would you do?MediumBehavioral
  16. 2368Implement a 2D Convolutional FilterMediumAI ML
  17. 2369What are the implications of collecting excessive user data or too many survey responses?MediumTechnical
  18. 2370Our booking platform experiences higher traffic during the day, requiring server upgrades which cause 10 to 30 minutes of downtime. How can you improve this situation?MediumSystem design
  19. 2371How would you increase the frequency of user sessions on YouTube?MediumProduct
  20. 2372Instagram LikesMediumCodingData
  21. 2373A PM proposes changing Instagram’s messaging system to allow interactions with third-party businesses. How would you determine whether the change is a good idea?MediumProduct
  22. 2374In K-Nearest Neighbors (KNN), does setting k=1 lead to higher variance or higher bias?MediumTechnicalAI ML
  23. 2375What KPIs would you track to evaluate the health of a subscription-based business?MediumData
  24. 2376What’s the difference between the Kubernetes control plane and data plane?MediumSystem design