Interview Questions

Bryan K. - "Did a quick 30 min writeup on this and I'm submitting before I review/edit. Success metrics for Spotify Podcasts Clarify Focus is on Spotify Podcasts, which are audio content posted by Spotify Content creators Spotify Podcasts exists across all devices Spotify as a company is at a mature state and is looking to enhance retention and revenue (monetization) Spotify makes money through ads, Spotify Podcasts too - Assuming that Spotify Podcasts has some sort of ad product where adv"See full answer

Mitchell K. - "How important are referrals? Do you need multiple vs. just one? Does it matter who refers you?"See full answer

Personal W. - "Payment system requirement assumption: Need to be ACID Amount limitation - some validation for max input size can be done at client level/ API level. Need to store historic info - GDPR The information to be stored for database assumed can be structured so RDBMS like mysql or Postgres Notification requirement - if fail or success need to be text or email to user and or caller Scalable - Assumption that it deals with critical transaction so Availability and Scalability requirement i"See full answer

Kartikeya N. - "Clarifying questions Are we referring to the credit card users of a particular card company or the overall number of users? : Overall number And we are referring to the number of unique users right, as in a person may have more than 1 card? : yes Can I assume the time setting of the question to be 2024? : Yes Thanks. Here's how I would approach this. India's total population = 1.4 Bn I know for a fact that in India only 2.5% of population pays income tax. A salaried employee who doe"See full answer

Anjali M. - "Why is META AI important? Should company invest in it? What would be the goals and metrics for META AI. Meta AI -native AI infra layer embedded across FoApps( Insta, whatsapp, messenger, Ads) etc. AI is changing user behavior across different verticals, and is shaping how users will create or consume content in the near future. Leading players in this space: Google, OpenAI, and Claude. Not having Meta’s own AI would mean relying on these players to leverage AI capabilities. They get access to"See full answer

Kirubel D. - "Clarifying Questions (Noun, verb, and adjective) Pixel The Pixel Phone or are we talking about ore on the software? Hardware or SoftwareINT: This can be applied to both areas Best Compared to other related phones on the market? And do we have a specific time frame in mind?INT: we don’t really have a specific time frame maybe within the next couple of years. Best means comparing to other phones out there. Market Best when it comes to a particular feature or overall the user experience within"See full answer

Daniel C. - "select name, stock from products p left join transactions t on p.id = t.product_id order by date desc limit 1"See full answer

Vineet M. - "Precision - Out of all the things we picked as correct, how many were actually correct? recall - Out of all the things that were truly correct, how many did we actually find?"See full answer

Dewansh Z. - "It's fair to assume a tech lead is an experienced person, especially in bigger organizations like Google. How we shape our thought process is part of our past experiences of default nature. I will first give it some time before I react/respond. I will try to understand the pattern where the tech lead is being devil's advocate. Eg. If he is being negative about PRD everytime, that means he had past experiences where the PRD was incomplete or scope was change; if is negative about testing scena"See full answer

Chris C. - "Here are the key entities to design a relational schema for a calendar application: User - userid, email, firstname, lastname Calendar - calendarID, calendarName, caledanUserID, defaultUIView, created, updated, status Event - eventID, eventName, eventUserID, isRecurrence, startDateTime, endDatetime EventReminder - eventID, reminderMethod(email, notification), reminderTime, reminderTimeUnit(min, hr, day) Event guest - eventID, userID, isRequired, acceptStatus"See full answer

Raul K. - "No of Cars in 1 year = [ Total Road Length] / [Distance Covered by 1 Self Drive Car in One Year] Clarifying Question - How does Mapping work? I assume the car has a bunch of cameras and the car needs to go via a road each once to do the mapping for Google Street view. Is that correct? Assumption Google Street view required cars to go via road once and then use camera for mapping Assumption for average speed of the car - This can vary if the car is on the highway Assumption of Area of"See full answer

Krishnaveni G. - "Since a bitonic array first increases then decreases, we can: Find the peak using binary search (O(log n)) Reverse the decreasing half Merge the two sorted halvesThis gives an overall time complexity of O(n)."See full answer

Shivam B. - "To address this question, I'll assume that Horizon Worlds is a virtual reality platform offering immersive experiences and content to users. As a Product Manager at HW, my approach would be to focus on metrics that align with the growth stages of the product. I'll use the AARRR framework (Acquisition, Activation, Retention, Revenue, Referral) to guide our analysis. Assumptions: Horizon Worlds is primarily a content-driven virtual reality platform. The business model includes both free"See full answer

Sohum S. - "I would assume that this is similar to an intervals question. Meeting Rooms II (https://www.lintcode.com/problem/919/?fromId=203&_from=collection) on Leetcode seems like the closest comparison, it's a premium question so I linked Lintcode. I'm assuming that we also need to just return the minimum number of cars used. You need to sort for the most optimal solution, so you're constrained by an O(nlogn) time complexity. So any sorting solution could work (using a heap, sorting the array input arra"See full answer