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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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982 questions

  1. 817As a PM at Amazon, how would you decide if the company should enter the smartphone market?HardProduct· Google
  2. 818How would you build an audio product for Facebook?HardProductSystem design· Meta
  3. 819If you had 20 engineers, 100,000 computers, and 3 months, what would you build?HardDataProduct· OOath, Yahoo
  4. 820What would you build using the entire world's traffic data?HardProduct· Google
  5. 821Calculate the number of times a pattern appears in a string.HardCoding· LinkedIn
  6. 822As the CEO of Shopify, what should we focus on next?HardBehavioralProduct· Shopify
  7. 823Describe a challenging project you worked on and what made it difficult.HardBehavioral· Amazon, Anthropic
  8. 824Which problem would you choose to solve?HardBehavioral· Google
  9. 825Given an array of points on a plane (x,y), write a function to return the distance between the closest pair of points.HardCoding· Visa
  10. 826Design an AI-powered email assistantHardCodingSystem design· Google
  11. 827Implement a Transformer block from scratchHardCodingSystem design
  12. 828Implement backprop for a tiny network (OpenAI)HardCodingSystem design· OpenAI
  13. 829Design an AB test system.HardSystem design· Affirm
  14. 830Design a camera for the blind.HardProduct· GCGoogle Cloud (GCP)
  15. 831How would you design chess.com?HardProductSystem design· Meta, Panorama Education
  16. 832Design a system that recommends the next Confluence pages a user should view.HardAI MLSystem design· Atlassian, PayPal
  17. 833Design an experimentation platform for Google.HardProduct· Google
  18. 834Design Facebook for doctors.HardProduct· Meta
  19. 835Design a machine learning system that makes stock predictions from Reddit comments.HardSystem design· JP Morgan Chase
  20. 836Design a solution for the world of online learning.HardProductSystem design· Meta
  21. 837Design an online file storage and sharing platform.HardProductTechnical· VVMware
  22. 838Design a smartphone for blind people.HardProduct· Google
  23. 839Design a system to schedule jobs in a distributed environment.HardSystem design· Amazon, DoorDash
  24. 840Design a teleportation device for the year 2050.HardProduct· Google, Meta