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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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36 questions

  1. 1Design Airbnb's search functionality.HardSystem design· Airbnb, Amazon
  2. 2Design Amazon's Kindle payment system.HardProductSystem design· Amazon
  3. 3Design Amazon Prime video.HardSystem design· Amazon
  4. 4Design Amazon Storage.HardProductSystem design· Amazon
  5. 5Design a distributed logging system.HardSystem design· Amazon, Goldman Sachs
  6. 6Design the leaderboard for Dream11 fantasy gaming with 100,000 registered teams.HardSystem design· Amazon
  7. 7Design an emergency service system for Alexa for a break-in scenario.HardProductSystem design· Amazon
  8. 8Design a file system.HardSystem design· Amazon, Microsoft
  9. 9Design Instagram.HardProductSystem design· Amazon, Instagram
  10. 10Design a monitoring system for 1000 web servers.MediumSystem designTechnical· Amazon, Google
  11. 11Design the front page of a newspaper app.MediumProductSystem design· Amazon
  12. 12Design a reservation and payment system for a parking garage.HardSystem design· Amazon, AtoB
  13. 13Design Prime Video.HardSystem design· Amazon
  14. 14Design a rate limiter.MediumSystem design· Amazon, Google
  15. 15How would you design a large-scale ticketing system that can handle millions of users during peak events (e.g., Black Friday)?HardSystem design· Amazon
  16. 16Design a system that ingests book reviews from Amazon.com and provides book recommendations on your website.HardSystem designTechnical· Amazon
  17. 17Design a system to track reviews abuse on Amazon.com.HardDataProduct· Amazon, DoorDash
  18. 18Design a system to upgrade hundreds of thousands of machines on the Moon.HardSystem design· Amazon, Google
  19. 19How would you design a three-tier architecture?MediumSystem design· Amazon
  20. 20Design a typeahead box for a search engine.HardSystem design· Adobe, Amazon
  21. 21Design Uber Eats.HardSystem design· Amazon, Meta
  22. 22Design the architecture for a hardware device that measures temperature and social distance among employees in warehouses during COVID.HardSystem designTechnical· Amazon
  23. 23How would you launch a standalone Amazon restaurant food delivery app?HardProductSystem design· Amazon
  24. 24Design a Distributed Message QueueHardSystem design· Amazon