Interview Questions

Pushkar G. - "Assumptions - Multiple reader/writer threads issue set() [with transaction] and get() operations concurrently All data can fit into memory. Requirements - Good performance (ex. less lock contention) Optimize memory footprint (ex. don't store stale entries in memory) Naive Approach - Wrap a standard hashmap/dictionary with reader-writer lock. We can also shard the map to reduce lock contention (ex. 32 segments for 32 core cpu) Allocate local buffer to a writer when a transacti"See full answer

P K. - "Assuming this product is independent of FB product family and we are thinking of building an independent product. Goal: Make it easy for users to simplify the appointment process with the doctor. Success: Number of appointments made, repeat appointments made. Lets understand who are the key personas involved here: Doctors/Clinics (Excluding dentists) Patients/Users For this problem, I want to focus on the patient persona and go deeper into their problems. The various user segments ar"See full answer

Jazmia H. - "Weak point: suggested something that YouTube Music already does- offering the service free to Premium members. Rebounded by saying the lack of user awareness is a pain point and how it can be mitigated- by frequent check-ins by way of notifications and emails Strong point: discussed overall strategies of global expansion, marketing and innovation with pros and cons for each approach. Settled on discussing an innovation piece combining ranked recommendation of YouTube music as well as personaliz"See full answer

P K. - "Clarification questions: What does an increase in usage mean? Microsoft wants to grow its market share in the browser segment Why do you want to increase the usage? Increase in IE usage would increase Bing advertising revenue Are you targeting any specific platforms to increase usage in? You tell me Are there any geo's of specific interest? worldwide Would it be fair to assume that the increase in usage is represented with an increase in the metrics - "Increase in no. of requ"See full answer

Ayush R. - "Clarifying Qs: Uber PM Business goals - revenue, user engagement Known customer needs Any trigger or prompt - post covid, things are getting back to normal. Observing demand for kids to travel alone within the city from point A to B Geo - US Uber mission -- Create opportunity through movement Uber strengths - Brand value Mobile tech GPC tracking Real-time traffic and routing algos Fleet of drivers Why we need this app for kids: Why would kids want to trav"See full answer

Anonymous Ferret - "i do feel like the question itself is kind of confusing. Youtube does have a product called YouTube’s Analytics, which is a channel analytics tool for creator lol"See full answer

S G. - "Clarification questions: How are these metrics calculated? Get context on why these metrics are important? Are we looking at any specific role? Benchmarking: What is the current time to hire? How does this compare to competitors? Do we have a desired goal/target for these metrics? Problem Solving: I began by analyzing the various steps in the hiring process and the number of days taken at each stage. Soon realised that the bulk of the time is taken in a few steps (80/20). Drilled down further"See full answer

Umang S. - "In my role as a Product Owner, I was developing a platform for a logistics company. As a PO and that too of a digital agency, my work was mostly before-end-to-after-end, it would start from pitching, strategy, product management, launch, funding deck prep. In mid of the product management cycle, the client starts adding pressure to deliver way before the deadline, as they had found the PE firm that conceptually was ready to start funding discussion, since this was not scoped before the start,"See full answer

Nagendra S. - "Assumptions: Platform: iOS/Android and Web Application Service Type: Renting Bicycles (hourly, daily, weekly), possibility of buying or selling Geography: Focusing on Asian markets, e.g., India, where bicycles are a popular mode of transportation Role: Product Manager at Microsoft Objective: Design an app focusing on customer engagement and new customer acquisition Setting the Stage: Why a Renting Business? Market Potential: In Asian markets, a si"See full answer

Anonymous Raven - "How often do we get 15 min to answer a question? Wondering isn't the expectation to answer this in 3-5 min?"See full answer

Kartikeya N. - "Clarifying questions I am assuming the time frame for this question is irrelevant as this is a hypothetical question? : Yes Is IG prioritising the creator side or the viewer side more at the moment? : What do you think? I think it should be a balance for the long term sustenance of the network Are all these reels and views in a particular geography or globally? : Globally What is the duration for which these Views are measured? Assume a day Do we know anything about other engagemen"See full answer

Anonymous Sparrow - "Clarifying question to make sure that I'm analyzing the right feature - is this the notification bell that is in the Facebook app and site? (assume Yes) Tapping on it opens a drop-down that captures items and activities that the user should be aware of? (Yes) Ok, I believe I'm clear on which feature you're referring to. My approach: Customer problem and value proposition Meta's mission and north star metric Customer journey and notification bell use case Success metrics on value del"See full answer

Chitapuram N. - "Since there is a need for the data to be accurate and consistent without any latency to allocate a spot, can't the data be synchronously synced to replicas after every write as the number of writes are not many per min, instead of read lock phenomena Let me know if i am on a wrong thought here."See full answer

dreamingincode - "In the API design, the interviewer is switching between RPC style (operation based endpoints) and REST style (resource oriented). Sticking to one convention and explaining why it is preferred over the other e.g. REST if the twitter domain maps nicely to resources e.g. /tweet or /follower or /user would help to create a more consistent and unified API. It would make it easier for clients to integrate with the API as well."See full answer

Manas M. - "Couple of Clarification Questions to be asked are: Aim of the physical product Retention/Encourage Loyalty Attract new customers Collect customer Data outside of the Airbnb ecosystem for better advertising and customer focus User Base of Airbnb Solotravellers - traveling to new places for exploring/solo travel Business Travelers - Lot of business Travelers who own small/medium businesses and book their own travel can choose airbnb Family gr"See full answer

Nikitha G. - "Clarify: What is a transaction in Instagram Shops? Users click on an item and complete the payment in the Instagram Shops interface How many transactions happen in Instagram shop per day/month? What percentage of users have completed at least 1 transaction on Instagram Shops in the last year? Key Metric to improve: # Users completing a transaction Goals of the Product / Feature: Meta’s goal is to build community and connect people together Instagram’s goal is to connect and"See full answer

Vihari K. - "Situation: While working at CVS Health, our inventory management system for OTCHS products was facing challenges. We had increasing stock outs, and our existing data was insufficient to fully understand and address the issue since it has been only a year this product line was initiated. Action: Although we do have a forecasting model to predict demand and other algorithms to trigger out of stock flags to warehouses to fill them, lack of data points on seasonality, supplier delays, compliance"See full answer