Product Manager System Design Interview Questions

Rui B. - "Clarification and Assumption In house labeling vs outsourced? labeling text, images, bounding boxes, segmentations etc? what kind of issues have we observed? Assuming that data collection and pre/post-processing is done by different team and labeling starts with receiving data and ends with sending files back to my team. "outsourced, images containing objects, 2 dozen classes of objects to label bounding boxes." 2.Goal Quality is important because downstream effect. garbage in garbage out."See full answer

P K. - "Note: Modifying the question to reflect the storage cost as well. Question: Estimate the cost of storing google photos on the photos app? Clarifying questions: Google photos - an app that syncs automatically to your camera app and uploads photos to Google cloud and reduces the need to store it on your device Cost of 1GB storage $0.002 Time storage cost per year Equation: Cost of storage per year = average cost of storing photos per day x 30 days x 12 months The ave"See full answer

Amit T. - "Question Design a product for P2P borrowing & lending money Clarifications Is this only P2P borrowing/lending or can financial entities participate too? - P2P only Is it to borrow/lend physical cash/digital money/cryptocurrency? - digital fiat money Are we focusing on specific geography? - US What’s the goal of this product? - Retention Are there any resource constraints? - No What’s the timeline to launch MVP? - 6 months FB Mission Empower people to build commun"See full answer

Vishal B. - "Design an elevator for the blind Clarification Questions A person who is not able to see at all or a person who can partially see? - completely blind Are we we focusing on the people who are visually impaired but, no other physically challenge? - Yes Goal Company already have the elevator products and now company is trying to enter into new market space. Users Blind users with some assistance - we are not focused on these people as they already have some a"See full answer

Ramesh Y. - "Clarification - is it Uber that is building the feature? Answer: Yes Assuming if Uber is the one building this feature, I would start with if and how does the feature help Uber's mission and north star metrics. Uber's mission is to provide reliable transportation around the world and the primary metric that i can think on a high level is Number of rides , Number of drivers and from business revenue perspective revenue per ride, revenue per rider and driver. I picked revenue per ride because it"See full answer

Anonymous Hummingbird - "Assumptions: This is an entirely new app and not part of FB Clarification questions: Q: What type of doctors are they looking for? It seems like an app would be for a more generalist doctor to establish relationship and not some type of emergency situation A: Yes Q: When we say looking for doctors whats the scope of this? Should we include making the actual appointment, does this happen on platform? A: Yes, initial appointment Ok thanks based on that I think we have enough to get started. "See full answer

Bik D. - "Clarification: Explain the product - Facebook marketplace is a platform that helps connect buyers with sellers, usually to purchase used products but not limited to the same How do you define improve - Improve discovery and engagement on the platform Geography - India Why would Meta want to invest here ? Commerce is a growing space, and can help monetized beyond ads Leverage social graph to seek user feedback on products / sellers Competitors - OLX, E-c"See full answer

Akshai V. - "Google Assistant is the Voice AI which converts Natural Language to Queries/Instruction , processes it and get the results and again converts it back to Meaningful Results to the User Currently Google Assistant is Integrated in Multiple End Points. Phone Google Home Chrome Cast Google Chrome Books Some of the Use Cases Google Assistant is used is Making Phone Calls/Texting Asking General Queries/Searching for Information Integration with Devices and Turning them O"See full answer

nikilukman - "Clarifying questions #1: What does "investment" mean? #2: Verification badge already exists or not? #3: A verification badge is a special symbol (like a checkmark), usually displayed next to the username to identify/verify that an account with this badge is an authentic public figure or brand. It is NOT a way for Instagram to endorse the "importance" of verified accounts. Is this accurate? Anything else I should know of as a PM regarding the definition? **Assumption: Verification badge alre"See full answer

Develop games G. - "asdsad"See full answer

Raina M. - "Clarify the ask/ goal and scope Talk about the general need for travel in a Covid/post covid world + how it aligns with Meta's mission and business (the Why) Audience /Behavior segmentation with needs/pain points Prioritize Suggested 3 Solution territories Dived deep into 1 and mentioned tradeoffs/ risks for that one Summarized with a few GTM considerations/ideas Please note: Although the interview was scoped for 30 mins, the interviewer spent the first 15 diving into past work e"See full answer

Xash C. - "This one is a great example of Build, Borrow, or Buy strategy framework (http://www.build-borrow-buy.com/build-borrow-or-buy-in-practice/) - explore and evaluate three different approaches: organic growth and building a product from scratch (e.g. Amazon building its own Amazon Restaurants service), partnering with an existing provider (e.g. enterprise-level partnership with Instacart or Lyft), or acquisition growth (e.g. Uber acquiring Postmates). Evaluate which approach makes sense for the com"See full answer

Karthik M. - "Structure Why should we build this? + market, company, product, trends Users Painpoints Solutions Summary Clarify company - 0 to 1 Why should build this Market factors Size and opportunity (tam) sizeable market - billions of dollars in TAM Competitors (1) governments (2) parkmobile (3) vendors for each parking lot (parking structures / lots, man people) Strengths Parkmobile - available anywh"See full answer

Ian R. - "You might build a product like this a few ways. I think you'd definitely want a temperature sensor device (maybe like a TMP422, or maybe there's a different one that is standard for wearables) that was worn by the individual. As far as tracking social distance, my answer here is more dependent on the state of the art of robust (wearable) distance measurement. Maybe there's something available better than ultrasonic sensors, maybe there's some kind of electromagnetism based solution that isn't in"See full answer

Darshak S. - "Clarifying Questions: There are several different types of therapists, do you have a particular therapist in mind? Like Mental health, physical health, food and nutrition etc? Reply: You can decide And do we know what country are we building this product, since that will help me narrow down the scope of the product? Reply: USA Approach: Define the product vision and the goal that we want to achieve Target Audience is for this particular product What problems do these user currently"See full answer