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81 questions

  1. 1What is the best way to connect SQL databases and why?MediumTechnicalData· Airbnb, Google
  2. 2How would you build TinyURL?HardSystem designTechnical· Google, Meta
  3. 3How would you choose the right machine learning algorithm for your system?MediumTechnical· Google
  4. 4How does communication between Mars and Earth work?MediumTechnical· Google
  5. 5How does Google Maps compute ETA?MediumTechnical· Amazon, Funding Societies
  6. 6How would you debug a failing NUC in a data center?MediumTechnical· Google
  7. 7Describe what happens when you type a URL into your browser and press Enter.MediumTechnical· Google, Uber
  8. 8Design an algorithm to rank ads in the Google Play Store. Include primary and secondary success metrics.HardDataTechnical· Google
  9. 9Design a billing system for a doctor's office with two locations in the Bay Area.MediumTechnical· Google
  10. 10Design a content delivery network (CDN).HardTechnical· Google
  11. 11Design an elevator algorithm to pick up guests.MediumDataTechnical· AADP, Google
  12. 12Design the architecture for Google Maps to load in under 100ms.HardTechnical· Google
  13. 13Design a metrics and logging service.HardSystem designTechnical· Booking.com, Google
  14. 14Design a monitoring system for 1000 web servers.MediumSystem designTechnical· Amazon, Google
  15. 15Design the system for a ticket selling web application.HardTechnical· Amazon, Google
  16. 16Design a visual landmark recognition system.HardSystem designTechnical· Google
  17. 17Design YouTube's video recommendation engine.HardTechnical· Google
  18. 18Go into detail about a login endpoint.MediumTechnical· Google
  19. 19Explain binary search.MediumTechnical· Google
  20. 20Explain Deep Learning to a non-technical audience.MediumTechnical· Google, LendingClub
  21. 21Why is Gmail search slower than Google search?MediumTechnical· Google
  22. 22What is your high-performance computing strategy for Google?MediumProductTechnical· Google
  23. 23Design a newsfeed algorithm for Google.HardTechnical· Google, Waymo
  24. 24How would you choose a programming language to build your product at Google?MediumTechnical· Google, Tesla