Interview Questions

Kartikeya N. - "C : Okay. So I would want to start with knowing what is the product for which we have to build a recommendation system. I : This is a photo sharing product. C : Okay. So is this something on the lines of Instagram? I : Yes C : Okay. And are we a new product co or we have some current product built already? I : You can assume yourself. C : Okay. Is there any demography or country we are targeting? I : No, this is a global product C : Okay. So, the biggest goal of any product recommendation system"See full answer

Patrick B. - "Clarify what the business goals of Spotify is Depending on the stage, some companies care more about revenue growth, some about user growth and in rarer cases, about profit margins. In the case of Spotify, the company is still in growth stage so I will make some assumptions that user growth is the most important, followed by monetization. Plus, margin is relatively fixed due to the contracts with recording labels Recently, Spotify has invested heavily in podcast with goa"See full answer

Rahul D. - "Clarifying questions: Revolut aim is to be one stop financial shop (super app) the cross border payments is yet another feature which makes cutomers come to revolut again and again to pay across borders, correct? If so, cross border payments is an important solution for Rev's overall mission and as a principal I would like to agree that whatever feature improvement we suggest should Not take customer outside of Rev App Should continue making Rev's cros border payments best in"See full answer

Urvashi G. - "YT threats →. Let's define threat - activities that reduce actual or growth rate for user base / watch time / $ User - what impacts user base, users’ watch time (why would users not use YT anymore?) Competition - all apps that compete for users' time spent on digital entertainment (VOD, social media apps like tiktok, vMVPDs) Safety, trust, privacy, digital well being No relevant content Distribution - platform bans, distribution deals falling through (eg smart TVs)"See full answer

Ram - "Clarification Are we focusing on building the product on a specific Meta platform (Facebook, Instagram, WhatsApp), or is this a standalone effort? Is the product digital or physical? Are we targeting internal (employees) or external (customers) users? Are there any specific constraints like funding, resourcing, or geography? 1. Narrowing Down the Problem Awareness and Education: Create tools to increase understanding of climate change and its effects. -"See full answer

Kari J. - "I got this question in my Mini-Case today. I was a little confused because even though I asked a few clarifying questions -- it didn't clarify much! :-) My response was to what was shown on screen -- a mock of the current process (five modal windows) and a mock of a new single modal. THe ask for this was what do you like and dislike in the mock for the new. I will admit that it would have been easy to say what was wrong with the current process - but since the ask was for the new mock, and"See full answer

Balaji G. - "This is the answer I have prepared. Please let me know your comments and how I can improve the answer. I have worked on many process improvement initiatives and projects. I want to share an initiative that I led and delivered while at my previous employer. It had a great impact on over 60 programs and projects across teams in six different countries. Analysts and program managers used to generate a monthly program performance report that deals with all aspects, including schedule, risks, costs"See full answer

Alex N. - "The adjusting context window size in LLM change trade off between reasoning capability, accuracy, computation cost. It influence how attention mechanist allocate resources across the input. Longer context window let it you input greater number of words and have more context to generate proper next token. However llms have lost in the middle issue. They remember the beginning of text and end of text but lost information located in the middle of long input. Another problem is Attention Dilution."See full answer

Patrick B. - "Clarifying How does autoplay work? I presume it's how it's done today (no audio, start playing once the video is scrolled to be completely in the user's screen) Desktop or mobile? Which market is this? Users in US / Western Europe vs developing markets have different behaviors Goals & Metrics FB's mission is to help people build deeper connections. As a news feed PM, the goal is to make sure FB news feed is valuable to the users by being a great way to keep in touch with"See full answer

Sam E. - "average price per transaction would drop because we might not be considering currency exchange rates, which is much lower in India and Southeast Asia, when aggregating data globally. to define success, i'll first segment the data, separating existing markets to newer ones to check if that is the cause of the dropping average price. then i'll select a north star metric, which would be the number of completed transactions vs. attempted. i'll also track supporting metrics like usage frequency and"See full answer

Laxman kishore K. - "Try not to take hints from the interviewer for solving the problem. They may provide hints but it would impact the final decision "See full answer

Kapil P. - "Sounds like both the features requests address different problems, although it should be clarified in my opinion. I'd try to dig deep into why the customers are raising the requests to uncover the pain points. Questions like the following would help: "How are you currently solving it?" "What does it mean for you in terms of Cost or productivity?" (based on the context of the product) "Have you searched for an alternative?" Descriptive answers for the above questions should tell us if the"See full answer

Aishwarya J. - "Looking into licensing data for users to match with the validity of their plans , to set up reporting okr's and metrics from the ground up and future problem sculpting for future feature additions I developed the metrics from the existing data tables , with uniform interpretation for datasets used across teams, keeping the modifications done in alignment with the requirements of the stakeholders. Hypotheses for licensing metrics was laid out in a defined manner where it was feasible to cherry"See full answer

Gokul S. - "A gas station is a place to refuel our cars to a set amount, pay for it, and get out. What do we mean by great - do we want to revamp the experience of a gas station? Yes. Who are we? Let's say we are one of the big oil dealerships in the US. OK, so we are looking at building this in the US? Yes. Is this for a specific type of gas station - for trucks, normal cars, or other special vehicles? Assume it's for normal cars. We are a big oil dealership and we want to revamp our gas stations."See full answer

Mehul K. - "Clarifying Questions Are we building feature for YouTube Music/YouTube Video? -> YT Video has higher scope of user engagement so YT Video. YT Video has 2 forms of video content, are we focusing on long form, short form or am I free to chose ? -> YT Shorts and short videos have taken off lately so focus on it. Do we have a specific business goal with regards to building this feature ? -> We want to improve engagement. Do we want to build this feature for a specific kind of audience or"See full answer

Maykon henrique D. - "function longestCommonPrefix(arr1, arr2) { const prefixSet = new Set(); for (let num of arr1) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { prefixSet.add(str.substring(0, i)); } } let longestPrefix = ""; for (let num of arr2) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { let prefix = str.substring(0, i); if (prefixSet.has(prefix)) { "See full answer