Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

Easy 190Medium 2,498Hard 982
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4,310 questions

  1. 1609Design a solution for attending large events and concerts.HardProduct· Google
  2. 1610Design a Spotify mobile app experience for blind users.HardProduct· LinkedIn
  3. 1611Design a stock trading product for Facebook.HardProduct· Meta
  4. 1612Design a strategy for Google to enter the TV business.HardProduct· Google
  5. 1613Design a system to deny services to requests from banned IPs, as per information provided by security.gov.x.MediumSystem design· Google
  6. 1614Design a system to detect bot players.HardSystem design· Roblox
  7. 1615Design a system that ingests book reviews from Amazon.com and provides book recommendations on your website.HardSystem designTechnical· Amazon
  8. 1616Design a system like YouTube.HardSystem designTechnical· Meta, Snowflake
  9. 1617Design a system to log messages in orderMediumSystem design· Google, Microsoft
  10. 1618Design a system to track reviews abuse on Amazon.com.HardDataProduct· Amazon, DoorDash
  11. 1619Design a system capable of identifying ships that deviate from their course using a dataset that tracks ship positions, recorded as tuples containing (ship_ID, x, y, z, timestamp), with irregular timestamp intervals.MediumSystem design· SAP
  12. 1620Design a system to upgrade hundreds of thousands of machines on the Moon.HardSystem design· Amazon, Google
  13. 1621Design a task management app for personal use.MediumProduct· Microsoft
  14. 1622Design a taxi recommendation system for airports.HardSystem design· Walmart Labs
  15. 1623You're a PM for Tesla. Design the Tesla app for the Apple Watch.HardProduct· Amazon
  16. 1624You have text-to-music capabilities. How would you productize it?MediumAI MLProduct· OpenAI
  17. 1625Design an app to search for therapists.MediumProductSystem design· Meta
  18. 1626How would you design a three-tier architecture?MediumSystem design· Amazon
  19. 1627Design the system for a ticket selling web application.HardTechnical· Amazon, Google
  20. 1628Design TikTok.HardSystem design· Google, Meta
  21. 1629Design a Retrieval-Augmented Generation (RAG) system to help TikTok’s content moderation team detect and handle misinformation.HardAI MLProduct· TikTok
  22. 1630Design a Time Machine for TuSimple.HardProduct· TTuSimple
  23. 1631Design a timer system.MediumProductSystem design· Google
  24. 1632Design a toothbrush for young children.MediumProduct· Google