Interview Questions

Scott S. - "Great question! Before communicating any major change, I would ensure I have a deep understanding of the strategic shift, its rationale, and its implications. This involves meeting with senior management to gather all necessary details and preparing to address any questions or concerns from the team. To share a recent experience I had, so Last year, our senior management decided to shift our focus towards leveraging machine learning and advanced real-time analytics to enhance our trading stra"See full answer

Anonymous Muskox - "Okay so the objective is to describe a product which I think is poorly designed despite of what market sentiments are around this and how the product is performing currently. Okay understood, so the way I would like to go about it is first I will state what are the factors which I look in a product to tell it is a good product. Then will see how a particular product doesn’t follow this and that's why I called it a poorly designed product. For me a product is great if it is having these qualities"See full answer

Suraj - "UberPool Product built for Uber Uber is a network of drivers & riders that allow to transport riders from A to B UberPool UberPool product solves for 2-3 riders to take a trip to a destination that works for everyone. It helps with reduced cost for riders, reduced emissions, make it faster to reach destination during high traffic hours makes it harder to find a ride --> until you find users willing to go to same destination "See full answer

Sabi M. - "there's no audio the last ~10 minutes from the interviewer so we can't get a sense of the feedback from the interviewer. I did think it took the interviewee a little too long to figure out the issue itself and could have benefited from taking some time to think and gather thoughts before jumping into drivers of the issue."See full answer

K.nithish K. - "MOD = 10**9 + 7 def max_stability(reliability, availability): max_stability = 1 for r, a in zip(reliability, availability): Compute stability of the current server stability = r * a if stability != 0: Multiply into max_stability and take modulo maxstability = (maxstability * stability) % MOD return max_stability reliability = [1, 2, 2] availability = [1, 1, 3] print(max_stability(reliability, availability)) # Output the result mo"See full answer

Shasleen I. - "Clarifying Questions Who are we? Traditional elevator company or a new age tech startup Assumption: New age tech based elevator company Any constraints: Budget, etc. Assumption: No What kind of a skyscraper building: Assumption: Commercial. Includes office spaces as well as others Any particular goal with respect to building this elevator? Design best in class elevator providing the best user experience for passengers User needs - Users have the following needs when"See full answer

Scott S. - " A couple of years ago, we were working on a project to integrate a new third-party data feed into our existing data processing pipeline. This data feed was critical for enhancing our trading algorithms with more comprehensive market data. Given the tight timeline and high stakes, I decided to push for a rapid implementation. In my eagerness to meet the deadline, I underestimated the complexity of integrating this new data feed. I did not allocate sufficient time for thorough testing and valida"See full answer

Rahul R. - "I would first call out the two types of Google Doodles that are published. First would be the static doodle which just shows a picture, and users can get more information on it by hovering on it or clicking on it. Second would be the dynamic google doodles which are either short videos or games through which users engage a bit more. My top 3 metrics that covers both would be: Click-through rate and post-click CTR - Although different metrics, I clubbed them since they fall under similar"See full answer

Anonymous Mongoose - "Given a Binary Tree, the task is to find its vertical traversal starting from the leftmost level to the rightmost level. If multiple nodes pass through a vertical line, they should be printed as they appear in the level order traversal of the tree. The idea is to traverse the tree using dfs and maintain a hashmap to store nodes at each horizontal distance (HD) from the root. Starting with an HD of 0 at the root, the HD is decremented for left children and incremented for right children. As we"See full answer

Nid P. - "I explained the story of trying to help the engineer to improve the performance and after it is failed, the steps I have taken to move the eng to PIP."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

Adib M. - "(1) Discovery: Get to know the stakeholders, PM, Engg team via 1-1. Attend project status meeting where either you are introduced to the stakeholders or actually run it with the goal being to introduce yourself and that you will be catching up on the state of the project in time of the next meeting Understand the Goals of the project and its impact on team and enterprise (2) Planning: Based on current velocity/ burn-rate, estimate what % of the project would be complete at 100% resource uti"See full answer

Yuexiang Y. - "clarify: so does the 5% drop a sudden drop or overtime in the one week does it broadly drop 5% or it dropped only in some regions or in some segments like new acqusition / frequent active customers? or does the 5% drop also happened last year same period? DAU = acqusition x activation x retention segment: I will first quickly do some EDA to find out problem, like calculate the DAU drop in new customer, tenured customer, between regions to find out is there any difference. then I will also look"See full answer

John N. - "There are several factors that I can employ to come up with a dynamic pricing system that has capability and capacity to adjust product or service prices based on the various parameters or factors that affect market prices such as demand and supply. This will be built on customer behaviours, competitors, demographics, and other relevant variables at my disposal. First, I will define the Requirements and Goals of the system. what is the business needs that this dynamic system will cater. Here fa"See full answer

Will I. - "Is it bad to get the answer a different way? Will they mark that as not knowing Bayes Theorem or just correct as it is an easier way to get the answer? The way I went is to look at what happens when the factory makes 100 light bulbs. Machine A makes 60 of which 3 are faulty, Machine B makes 40 of which 1.2 are faulty. Therefore the pool of faulty lightbulbs is 3/4.2 = 5/7 from machine A and 1.2/4.2 = 3/7 from Machine B."See full answer