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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.

Easy 190Medium 2,498Hard 982
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610 questions

  1. 73Design a communication app for children.MediumProduct· LinkedIn, Roblox
  2. 74Design a lending library for communities.MediumTechnicalProduct· Meta
  3. 75Design a convenience store for a retirement home.MediumProduct· Google
  4. 76Design a cookbook app.MediumProduct· Microsoft
  5. 77Design a digital library to encourage kids to read.MediumProduct· Microsoft
  6. 78Design a distributed database system, for example, Kafka.HardProductTechnical· Confluent
  7. 79Design dynamic pricing for Lyft.HardDataProduct· Lyft
  8. 80Design an educational product for YouTube.HardProduct· Google
  9. 81Design an email application for the blind.HardBehavioralProduct· Microsoft
  10. 82Design an emergency service system for Alexa for a break-in scenario.HardProductSystem design· Amazon
  11. 83Design an evaluation framework for ads ranking.MediumAI MLProduct· Meta
  12. 84Design an events feature for a kids' messenger app.HardProductSystem design· Meta
  13. 85Design Facebook email.MediumProductSystem design· Meta
  14. 86Design Facebook Jobs.MediumProduct· Meta
  15. 87Design Facebook Newsfeed.HardProductSystem design· Meta
  16. 88Design a product for Facebook to enable charity.MediumProduct· Meta
  17. 89Design a product for Facebook for the Olympics.HardProduct· Meta
  18. 90Design Facebook to be more secure, private, and intimate.HardProductSystem design· Meta
  19. 91Design a fake news detection system.HardAI MLProduct· Meta
  20. 92Design a fashion product for Facebook.MediumProduct· Meta
  21. 93Design a new sports feature in the Facebook app.MediumProduct· Meta
  22. 94Design a financial product for kids.MediumProduct· AAffable, Microsoft
  23. 95Design a fire alarm for the deaf.MediumProduct· Google
  24. 96Design a fitness app for Facebook.MediumProduct· Meta