Interview Questions

Robbie A. - "A great answer will: Lay out the mission of facebook and how reactions relate to it (FB mission is to connect people, FB app has posts that make up a feed, reactions enable more engagement with posts Describe the benefits of reactions for users (less friction to engage) and for FB (more user engagement with posts which helps viewer and poster, improve newsfeed algo) Notice that you can evaluate demand for a 7th reaction by looking at posts with a high ratio of comments to reactions, and ma"See full answer

Sandeep Y. - "Functional requirement's: partial search while searching for users, products any keywords in the search. additional keywords in the filter Black listed words in the search. Non functional requirements: low latency, search through 2 Billion records recent search should be cached. Design: high reads, we should have caching enabled over the primary db storages. caching cluster can be added when the search load increases. read ahead. - check in cache (periodic cache refresh), lfu, lru "See full answer

Kartikeya N. - "Clarifying questions We are referring to Facebook here within Meta products, correct?: Yes Can we base the CAC as of 2025?: yes Facebook acquires users through multiple channels, are we focussed on any particular channel? : We are looking at an overall CAC for Facebook What all do we want to include in CAC? Can we limit it to the marketing and advertising costs and leave aside technical, infrastructure or people costs?: yes Here’s how I will calculate this. **Customer acquisition c"See full answer

Cameron P. - "3 fav products. Pick 1 and 10X it. My criteria: Add value to my life Easy to use My fav products: Pinterest Youtube Google Docs How would you 10X Youtube? Interviewee: 10X revenue? 10X user base? 10X sales? Interviewer: you can decide Interviewee: Ok, let’s discuss Youtube's mission and goal and we will determine which direction to proceed after Youtube: Global product. Has Red,Music,Kids,Premium. Subscription and Ads. 5B videos watched per day. 80% market share Missio"See full answer

Rev - "Clarify shuttle service and carpool. Any objective behind this switch. Data points: Timings of shuttle service #users Location of users Revenue generated Costs associated Feedback of users"See full answer

Anonymous Muskox - "Clarification Questions Do we need to calculate what we are seeing and processing or we want to process our unconscious thoughts in the memory as well? [You can have ] And we need to calculate the amount of storage for a person in single day? [Yes] For more product management interview experience https://technomanagers101.blogspot.com/ High Level Formula = (24 hours - 6 hours of sleep(assuming no processing))([(4 hours of Concentration)(3.5 GB/hr analogous to movie playing at 108"See full answer

Moyosore abosede A. - "Understand the product itself, the company's vision and goals, the customers who uses the products, work closely with the product designer, sources of resources and seek the opinions from my team, product backlog refinement, work closely with the scrum master and cross functional team."See full answer

Ash K. - "Below is the step by step approach I would take: Identify potential risks: Firstly, I thoroughly analyze the project and identify potential risks that could impact its success. This involves reviewing project documentation, conducting stakeholder interviews, and seeking input from team members who have expertise in different areas. Assess the impact and likelihood: I evaluate each identified risk by assessing its potential impact on the project objectives and determining the likelihood of"See full answer

Karthik R. - "This is yet another classic case of evolution of data landscape to account for diversities in the data formats sacrificing restrictive but key components at first and added later to make the solution more effective. Data warehouse -> Data Lake -> Data Lakehouse (Data Lake + Data Warehouse) Data warehouse - A solution to store data in central place (analytics (read) heavy) with stringent schema (structured). Very useful for historical queries and analytics. Schema on write check. Only used for"See full answer

Rahul J. - "Clarifying questions / assumptions we are talking about a typical retail bank and not investments banks or other NBFCs The banking app covers the primary functions of a bank like money transfers, account management, savings etc. A typical bank has the following business functions: Giving loans (primary function to make money) Savings and other accounts Investments (like Fixed deposits of the bank and other government schemes) Pain points A bank had to deploy manpower to perform all"See full answer

Exponent - "You should be able to easily identify this as a Measure Success question. These kinds of questions are used to test your analytical skills, as well as your ability to track project progress post-launch. Recall the strategy for tackling them methodically and thoroughly: Ask clarifying questions State the goal of the feature / product Behavior Mapping / UX Flow Mapping Provide criteria to prioritize metrics Prioritize metrics Summarize Let's begin! "See full answer

Bulent K. - "I said we could always revert the production issues. Solve it at DEV environment and then publish again. Interviewer gave me an example of it like a database schema change that may not be possible to revert. I said that we always used SQL scripts to upgrade and downgrade the database schema for each production deployment. So it would not be a problem for us. I guess my answer was not accepted."See full answer

Bharat D. - "Went through scenarios where a user Interviewer asked me to select a scenario, mostly outside of the control of the app. The interviewer saw me rattled and suggested the need to get to a venue as an experience. I designed a solution and suggested an MVP. The goal was to select a scenario, design MVP and suggest user journey/cohort selection and demonstrate measurement."See full answer