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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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521 questions

  1. 25Given a list with response time for each server, calculate how long time it will take to process n requests.MediumCoding· Google
  2. 26How would you choose the right machine learning algorithm for your system?MediumTechnical· Google
  3. 27How would you prepare a program to fix city roads?MediumDataProduct· Google
  4. 28How does communication between Mars and Earth work?MediumTechnical· Google
  5. 29How does Google Maps compute ETA?MediumTechnical· Amazon, Funding Societies
  6. 30Tell me about a time when you dealt with a conflict with engineers.MediumAI MLBehavioral· Google, Meta
  7. 31Tell me about a time when you needed to convince a disagreeing team.MediumBehavioral· Amazon, Google
  8. 32How would you convince leadership to build a wristwatch for the elderly?MediumProduct· Google
  9. 33Your company excels in display technology, while a dominant market player, like Qualcomm, excels in System on Chip. How would you convince this major player to purchase your product?MediumProduct· Google
  10. 34How many grains of rice are in a 10kg bag?MediumProduct· Google
  11. 35What is the current strategy of 15-minute delivery apps?MediumProduct· Google
  12. 36Your largest customer is advocating for a new feature not in your roadmap. What do you do?MediumBehavioral· Google, OpenAI
  13. 37How many 'likes' happen on Facebook each day?Medium· Google
  14. 38How would you debug a failing NUC in a data center?MediumTechnical· Google
  15. 39How would you decide on a KPI for building a system and how would you improve it?MediumDataProduct· Google
  16. 40Tell me about a time when you made a decision based on data and were wrong.MediumBehavioral· Amazon, Google
  17. 41How would you define success for YouTube search?MediumData· Google
  18. 42Describe what happens when you type a URL into your browser and press Enter.MediumTechnical· Google, Uber
  19. 43Design a birthday app.MediumProduct· Google
  20. 44Design an alarm clock for blind people.MediumProduct· Google, Microsoft
  21. 45Design an app for museum visitors.MediumProduct· Google
  22. 46Design an app that helps a museum generate revenue.MediumProductSystem design· Google
  23. 47Design an ATM for the blind.MediumProduct· Google, Microsoft
  24. 48Design an ATM for London's Heathrow Airport.MediumProduct· Google