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4,310 interview questions, answered.

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46 questions

  1. 1How would you build TinyURL?HardSystem designTechnical· Google, Meta
  2. 2Design an app that helps a museum generate revenue.MediumProductSystem design· Google
  3. 3Design a bookshelf for elderly people.MediumProductSystem design· Google
  4. 4Design a cache controller.HardSystem design· Google
  5. 5Design a solution to move the data from Cassandra in System X to system Y.HardSystem design· Google
  6. 6Design a denoising system for sounds.HardSystem design· Google
  7. 7Design a distributed file system.HardSystem design· Databricks, Google
  8. 8Design a metrics and logging service.HardSystem designTechnical· Booking.com, Google
  9. 9Design an ML experiment tracking and analysis platform.HardAI MLSystem design· Google
  10. 10Design a monitoring system for 1000 web servers.MediumSystem designTechnical· Amazon, Google
  11. 11Design a reservation and payment system for a parking garage.HardSystem design· Amazon, AtoB
  12. 12Design a rate limiter.MediumSystem design· Amazon, Google
  13. 13Design a sentence autocomplete suggestion system. Example: Input - 'I hope you feel', Output - 'better soon'. This system is used in applications like Gmail, Google Docs, and Hangouts.HardSystem design· Google
  14. 14Design a smart refrigerator.MediumProductSystem design· Google
  15. 15Design a system to deny services to requests from banned IPs, as per information provided by security.gov.x.MediumSystem design· Google
  16. 16Design a system to log messages in orderMediumSystem design· Google, Microsoft
  17. 17Design a system to upgrade hundreds of thousands of machines on the Moon.HardSystem design· Amazon, Google
  18. 18Design TikTok.HardSystem design· Google, Meta
  19. 19Design a timer system.MediumProductSystem design· Google
  20. 20Design a visual landmark recognition system.HardSystem designTechnical· Google
  21. 21Design a web crawler.MediumSystem design· Anthropic, Google
  22. 22Design a load balancer.MediumSystem design· Google, Mastercard
  23. 23Design a key-value store.HardSystem design· Accenture, Anthropic
  24. 24Pick an airport and estimate the number of people going through the security scan every day.MediumProductSystem design· Google