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4,310 interview questions, answered.

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230 questions

  1. 1Walk me through the system design of an AI-powered user experience.HardSystem design· 20 min· Microsoft
  2. 2Design a production RAG system for ten million documents.HardSystem design· 30 min
  3. 3How would you authenticate reviews for Facebook Locals?HardProductSystem design· Meta
  4. 4Design a plan to migrate an existing authentication system to a new one.HardSystem design· Apple
  5. 5Design a solution for borrowing and lending on Facebook.HardProductSystem design· Meta
  6. 6How would you build a Facebook product for blood donation?HardProductSystem design· Meta
  7. 7How would you build social features on Lyft to increase user engagement?MediumProductSystem design· Apple, Lyft
  8. 8How would you build TinyURL?HardSystem designTechnical· Google, Meta
  9. 9Design a new feature for the Nike App.MediumProductSystem design· Nike
  10. 10Design a document processing pipeline.MediumDataSystem design· Databricks
  11. 11Design a next word prediction system.MediumSystem design· Meta
  12. 12Design Airbnb's search functionality.HardSystem design· Airbnb, Amazon
  13. 13Design Amazon's Kindle payment system.HardProductSystem design· Amazon
  14. 14Design an Amazon price tracker.HardSystem design· Freshworks, Meta
  15. 15Design Amazon Prime video.HardSystem design· Amazon
  16. 16Design Amazon Storage.HardProductSystem design· Amazon
  17. 17Design APIs for Facebook live commenting.HardSystem designTechnical· Meta
  18. 18Design an app that helps a museum generate revenue.MediumProductSystem design· Google
  19. 19Design an application performance monitoring system.MediumSystem design· Stripe
  20. 20Design a check-in service that automatically checks users out when they leave a defined proximity range.HardSystem design· Wayfair
  21. 21Design an auto-complete feature.HardSystem design· LinkedIn, Meta
  22. 22Design an automated comment moderation system.MediumSystem design· Meta
  23. 23Design the backend of a feature that allows users to download their data from their Facebook account.MediumSystem design· Meta
  24. 24Design the best slippers.MediumSystem design· Walmart Labs