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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.

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50 questions

  1. 25What are the most important engineering manager skills?MediumBehavioral· Discord, Stripe
  2. 26You are opening a new Walmart store. How many cash registers do you need?MediumProduct· Walmart Labs
  3. 27Partition an array into two sub-arrays with equal sum.MediumCoding· Apple, LinkedIn
  4. 28You're a PM for Walmart building a new fulfillment center. What products would you stock?MediumProduct· Walmart Labs
  5. 29Print the left view of a binary tree.Medium· Amazon, Meta
  6. 30Describe a time when your project failed.MediumBehavioral· Amazon, Discord
  7. 31Given stock prices for the next n days, how can you maximize your profit by buying or selling one share per day?MediumCoding· Adobe, Apple
  8. 32Design a Distributed LRU CacheMediumSystem design· Stripe, Walmart Labs
  9. 33Design Twitter.MediumSystem design· Freshworks, Meta
  10. 34What is the difference between inheritance and composition?MediumTechnical· Canva, Walmart Labs
  11. 35What is the difference between NoSQL and SQL?MediumTechnicalData· Amazon, Apple
  12. 36You're an analyst at the government's health department. How would you distribute 5,000 vaccines among 100,000 people?MediumData· Walmart Labs
  13. 37What's your favorite product and why?MediumProduct· Accenture, Amazon
  14. 38How long would it take to fill an Olympic swimming pool with water from a garden hose?MediumProduct· Walmart Labs
  15. 39Given an array, find the two sum.EasyCoding· Adobe, Amazon
  16. 40Tell me about the most complex project you have led.HardBehavioral· Amazon, ElevenLabs
  17. 41Tell me about your past projects.MediumBehavioral· Accenture, Amazon
  18. 42How do you plan your team composition?MediumBehavioral· Walmart Labs
  19. 43Tell me about a time when you worked on a project with a tight deadline.MediumBehavioral· Amazon, Google
  20. 44What is the project you are most proud of?MediumBehavioral· Adobe, Amazon
  21. 45How would you secure resources or funding for your product?MediumBehavioral· Dell, Walmart Labs
  22. 46Tell me about your e-commerce experience.MediumBehavioral· Walmart Labs
  23. 47What is your team management style?MediumBehavioral· Discord, Walmart Labs
  24. 48Tell me about a time when you missed a deadline.MediumBehavioral· Amazon, Google