Interview Questions

Sai vuppalapati M. - "At a high level, the core challenge here revolves around building an effective recommendation algorithm for news. News is an inherently diverse category, spanning various topics and catering to a wide array of user types and personas, such as adults, business professionals, general readers, or specific cohorts with unique interests. Consequently, developing a single, one-size-fits-all recommendation algorithm is not feasible. To enhance the personalization of the news recommendation algorithm,"See full answer

Exponent - "Let's first identify the type of problem we're solving. This is an Improve a product question. Let's go over the Improve a Product formula once more: Ask clarifying questions Identify users, behaviors, and pain points State product goal Brainstorm small improvements Brainstorm bolder improvements Measure success Summarize Okay great. Now that we have the formula, it's time to execute on it! Ask clarifying questions Before we start iden"See full answer

Anni P. - "I firstly discuss the brute force approach in O(n^2) time complexity , than i moved to O(nlogn) tine complexity than i discussed the O(n) time complexity and O(n) space complexity . But interviewer want more optimised solution , in O(n) time complexity without using extra space , The solution wants O(1) space complexity i have to do changes in same array without using any space . This method is something like i have to place positive values to its original position by swapping and rest negativ"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

Ramendra S. - "Step 1: Clarifying the Problem Scope We will focus on designing the leaderboard for Dream11 with these assumptions: Registered teams: 100,000 users are actively participating and ranked. Real-time updates: Leaderboard updates frequently as players accumulate points based on live sports events. Multiple leagues: Each user can participate in different leagues, so we will need to maintain a separate leaderboard for each league. Query efficiency: Users frequently"See full answer

Alice S. - "Clarify understanding of the problem space. What does success look like? How is it measured? Platform specific? Market specific? Time period? Business goals? Then perform a funnel analysis to understand user journey and look for problems or opportunities. Choose a user segment to focus on. Identify different user segments and prioritise one. Summarise the goal of the user and the friction point. Brainstorm solutions. Come up with a number of rough solutions. Balance the business n"See full answer

Anonymous Giraffe - "this is not a helpful interview, she seems so unprepared, confusing, unable to netting it out :("See full answer

Y C. - "One way to develop project metrics is around what problem the project is trying to solve within a particular timeframe, at a cost of x dollars and with y quality Scope: Did the project deliver as per the problem statement - over and beyond Resources metrics: Planned resources were utilized to contribute to the success Budget: Did the cost of the project implementation be under the budget or over? Schedule: In-flight milestones were completed on time or not as per the plan Was the proje"See full answer

Karthik T. - "In our product portfolio there were many teams and we were almost 12 product managers interacting closely to deliver the entire product feature area. Situation was that we were frequently had defects come in which will result in defects pushed back and forth. Goal was to avoid this as SLA of defects was getting impacted immensely there were priority 2 defects which we were sitting for couple of weeks before being looked at. There was a need to establish a triaging process. Along with my leaders"See full answer

Jean-pierre C. - "function twoSum(nums, target) { let complements = new Map(); for (let i = 0; i < nums.length; i++) { let diff = target - nums[i]; if (complements.has(diff)) { return [complements.get(diff), i]; } complements.set(nums[i], i); } return []; } console.log(twoSum([2, 7, 11, 15], 9)); `"See full answer

Scott S. - "As a Software Engineering Manager, one of the biggest mistakes I encountered early in my role involved underestimating the importance of aligning team goals with individual career aspirations and professional growth opportunities. This oversight became evident through a project that initially seemed successful but later revealed deeper issues within the team dynamics and morale. I was leading a software development team on a major project aimed at revamping a critical trading platform. The proj"See full answer

Anonymous Sparrow - "Clarifying question: just want to make sure that I'm designing the right product, are you referring to ATM as in a machine that takes in a debit or credit card and dispenses cash? Also, is there any location restriction for where the machine is located at London Heathrow Airport, eg. departure hall after security or arrival hall before exiting baggage claim? These could potentially impact the use case. (Assume interviewer answers yes for first and no for second) Approach: Identify or segment"See full answer

Mallikarjun B. - "I consider my greatest strengths to be my inquisitive nature and my ability to empathize with users. My inquisitiveness drives me to question and challenge the status quo, constantly seeking new perspectives and innovative approaches. I find inspiration in observing advertisements, analyzing their plots, and connecting them to the products being advertised. This curiosity fuels my creativity and pushes me to think outside the box. Furthermore, my empathetic nature plays a vital role in my desig"See full answer

Siddhant S. - "We'll consider cost-effectiveness, environmental impact, convenience, and scalability. Here are key metrics and trade-offs to consider: Cost Metrics Operational Costs: Compare the direct costs associated with operating each mode of transit, including vehicle maintenance, fuel or energy, and driver salaries. Subsidization Level: Assess how much subsidy each option requires per ride or per passenger to remain free or low-cost to employees. Cost Efficiency: Analyze the cost p"See full answer

Tony A. - "There are two parts to this questions: Part 1: Why did Meta create Rooms? ( limiting to video collaboration) Answer: Potential reasons for Meta to create their own Zoom equivalent: Provide a video collaboration platform to employees. Due to size and global distribution of its workforce it may make economic sense to make an in-house product that is cheaper than buying an enterprise license of Zoom Meta already has the technology and infrastructure to do videocalls and meetings because of"See full answer

Niaz - "Clarification questions: Does this include Street view photos, which includes (roads & highways, underwater & insider building and walking street view photos) ? No, for this question we will only look at photos taken via satellites. Google earth photographs the entire earth including land and oceans ? Yes Components of the equation (Square mile covering land x Number of photos per sq mile x Size of each photo x cost) + (Square mile covering ocean x Number of photos per"See full answer

Scarlett S. - "(This is debugging, then trade off question) WAU and email open rates can be influencing each other, especially an email opened and then clicked could lead to an active user, but it doesn't necessarily mean that they have correlations or be the only reason causing changes. The approach So we definitely need to look at each cause of Why MAU goes up, and why email notification open rates go down, then develop some hypothesis on for proper cause, I'd love to gather some info to narr"See full answer

Vijendar K. - "I'd like to clarify the question here for better understanding. Are we targeting any location? Assuming WW Do we have any demographics of the users? Assuming overall users Did we see any drop recently in TV watching users metrics for which we want to improve the watch time on TVs? No, in general we want to improve this area. Are we looking to improve the overall Netflix watch time on TV, not to acquire new users? Correct. As Netflix is offering content of so many genres of con"See full answer

Julien C. - "👇 Your feedback is very much appreciated 👇 👁️ Vision Empower artists to earn a living through their art while connecting millions of fans to exceptional music experiences. A live streaming feature can humanize the digital experience, making the platform not only a place to stream recorded music but also a stage for real-time, authentic artist-fan interactions. Enhance Spotify’s artist-first narrative by providing a unique way for artists to monetize their performances. Leverage Spot"See full answer