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Technical PM Interview Questions

Technical questions assess your ability to work with engineering teams and understand technical constraints. While you don't need to code, you should understand system design, APIs, and technical trade-offs.

Questions
140
Easy
20
Medium
84
Hard
36

How to answer technical questions

  • Understand basic system design concepts
  • Know how to read and discuss APIs
  • Be ready to discuss technical trade-offs
  • Show empathy for engineering complexity

140 questions match

36
Design an algorithm that computes a similarity score between two users' watch histories
Hard
TechnicalNetflix
37
Design an algorithm to automatically generate subtitles for a movie.
Hard
TechnicalNetflix
38
Redesign Netflix's recommendation algorithm.1 answer
Hard
TechnicalNetflix
51
Asked Sep 2026The average number pins has gone down 6%. What might have caused this?1 answer
Hard
TechnicalPinterest
53
Asked Sep 2026Walmart.com users are suddenly unable to add items to their carts. What do you think might be causing this? How would you start resolving the issue?1 answer
Hard
TechnicalWalmart
129
Explain Airbnb’s business model simply1 answer
Easy
TechnicalAirbnb
130
Explain what happens when you type a URL1 answer
Medium
TechnicalAirbnb
131
Compare SQL and NoSQL databases
Hard
TechnicalAirbnb
156
Algorithm to predict users’ future invested assets
Hard
TechnicalRobinhood
157
Implementing max-heaps and min-heaps
Medium
TechnicalRobinhood
158
Explaining and implementing pub-sub architecture
Medium
TechnicalRobinhood
159
Explaining options trading to a child
Medium
TechnicalRobinhood
160
Explaining Robinhood’s revenue model
Medium
TechnicalRobinhood
161
Explaining crypto investment to a beginner
Medium
TechnicalRobinhood
375
You are the PM of a video streaming platform. You log in one day and notice that monetization metrics have dropped by 80% overnight. What would you do?
Easy
TechnicalMicrosoft
402
Asked Jan 2026[Picks a metric on your resume] How did you derive this metric? What methodology did you use to compute it? Were there any flaws in this methodology ?
Medium
TechnicalAmazon
403
Asked Jan 2026AWS SNS (Simple Notification Service) offers APIs to send text messages. Sketch out the databases and other backend systems that might power this service.
Hard
TechnicalAmazon
404
Asked Jan 2026Say Amazon wanted to create a new web browser. Talk me through the necessary technical requirements and components we’d have to build.
Hard
TechnicalAmazon
405
Asked Jan 2026Amazon Search Backend
Hard
TechnicalAmazon
406
Asked Jan 2026Tell me how you'd design the backend for a musicstreaming service like Amazon Music.
Hard
TechnicalAmazon
407
Asked Jan 2026Amazon Luna Backend
Hard
TechnicalAmazon
408
Asked Jan 2026Do a system design for an Alexaenabled Peloton. Define APIs and system architecture, and explain various components that you find interesting.
Hard
TechnicalAmazon
409
Collaborative Filtering for a 5-Year-Old
Easy
TechnicalAmazon
410
Asked Jan 2026How do you think Amazon’s logistics and supply chain are so efficient? What is the “secret sauce,” if any?
Medium
TechnicalAmazon
411
Teach me about SQL versus NoSQL databases. In which situations should I pick either one?
Easy
TechnicalAmazon
432
Asked Jan 2026Algorithm for ETA Estimation
Medium
TechnicalUber
433
Asked Jan 2026Algorithm for Matching Riders and Drivers
Hard
TechnicalUber
434
Asked Jan 2026Implement a Min-Heap
Medium
TechnicalUber
435
Asked Jan 2026UberEats System Architecture Walkthrough
Hard
TechnicalUber
436
Asked Jan 2026Design an API for Logistics/Shipments
Medium
TechnicalUber
437
Asked Jan 2026Building a Payment Processing System
Hard
TechnicalUber
438
Asked Jan 2026Explain Merge Sort
Easy
TechnicalUber
439
Asked Jan 2026Explain Scheduling Algorithms
Medium
TechnicalUber
440
Asked Jan 2026Explain UberPool to a 5-Year-Old
Easy
TechnicalUber
604
Design a travel feature for Facebook.
Medium
TechnicalMeta
698
Asked Feb 2026Explain how you’d implement a minheap.
Medium
TechnicalMicrosoft
699
Asked Feb 2026Suppose you wanted to build a fingerprint authentication API into Microsoft Edge, so users could sign into any supported website with their fingerprint. How would you build this API?
Medium
TechnicalMicrosoft
700
Asked Feb 2026Design an algorithm to print the values in a binary search tree from least to greatest.
Medium
TechnicalMicrosoft
701
Asked Feb 2026Create a phishing prevention solution.
Medium
TechnicalMicrosoft
702
Asked Feb 2026Walk me through an algorithm you had to design for a past project.
Medium
TechnicalMicrosoft
703
Asked Feb 2026Take your favorite board game and tell me how you'd implement it in software. How would you make an AI bot to play it?
Medium
TechnicalMicrosoft
704
What is a DAG? How would you represent a DAG in memory?
Medium
TechnicalMicrosoft
705
Asked Feb 2026How do you think micropayment apps like Venmo work behind the scenes?
Medium
TechnicalMicrosoft
706
Asked Feb 2026Suppose you’re building a new collaborative code editor in the cloud, similar to GitHub Codespaces. What backend technologies and algorithms would you need to make this product work?
Medium
TechnicalMicrosoft
707
Asked Feb 2026Describe the architecture and tech stack of the product you're currently working on.
Medium
TechnicalMicrosoft
708
Asked Feb 2026What do you know about the technical aspects of [team you're interviewing for]? Can you guess what our tech stack looks like?
Medium
TechnicalMicrosoft
709
Asked Feb 2026What's your favorite tech stack? This can be for web development, mobile, etc.
Medium
TechnicalMicrosoft
710
Asked Feb 2026What's a tough technical infrastructure or architecture decision you've had to make for one of your past projects?
Medium
TechnicalMicrosoft
711
Asked Feb 2026How does a priority queue work? How would you implement one?
Medium
TechnicalMicrosoft
712
Asked Feb 2026Name a few interesting tech trends you’ve read about lately. How would you summarize them to a non-technical journalist?
Medium
TechnicalMicrosoft

About Technical PM Interview Questions

Practice technical interview questions for PM interviews. Prepare for system design, API discussions, and technical trade-off questions. Every question has an expert answer; Premium unlocks the premium questions and their answers.