Interview Questions

Vasanth M. - "The question is about the decision to show the right # of photos in Facebook. Clarifying questions : Is this specific to Consumers or Business users ? Is there an drop or impact to the current metrics in terms of user engagement or the time spent on the post Are there any pain points to solve in terms of technical details like page loads etc.? Let's start with the users. There are 2 categories of users - Creators and Consumers. This can be further classified to say creators - Indiv"See full answer

Yespm T. - "First I will talk about this restaurant space in general. Types of restaurants, trends, think about how we can offer something that is differentiated to a viable buyer. Vision / mission of this product User segments - pick one Define user goals, user journey, needs/pain points Think about solutions to their pain points (10 min) Then I’d pick one or two of the solutions and define the features in more detail, as it ties to user journey. I’ll define tradeoffs **1.Restaurant sp"See full answer

Nikita C. - "Smart shoe: Q1) Is there any definition in mind/ thought process in terms of what this smart shoe will do? Interviewer: Its open to assumption Q2) Any specific user segments? Interviewer: Its open to assumption Q3) Any specific geographies? Interviewer: Its open to assumption Any specific user pain points? Interviewer: Its open to assumption I will structure the answer in following manner - 1) Clearly stating the assumptions 2) User segments 3) Pain points 4) Solutions 5) Key concerns 6) Metr"See full answer

John H. - "All products and services have to sell. I would create measurements on how much time, labor, and funds went into a project and how much value it brings back to customers and company."See full answer

Saisandeep M. - "Explained the charts with using Scatter Plot with Size and Color Encoding X-axis: Ride duration (in minutes). Y-axis: Total fare (in dollars). Point size: Encodes the star rating (e.g., larger points for higher ratings). Point color: Indicates whether the rating is favorable (green) or unfavorable (red). Heatmap for Correlation Analysis Why: Heatmaps are ideal for quickly identifying patterns and correlations between variables. How: Create a heatmap matrix where rows represent ride durat"See full answer

Rishabh L. - "with empbysalary as ( select id, firstname, lastname, salary, department_id, rank() over (partition by department_id order by salary desc) as rnk from employees ) select d.name as department_name, e.id as employee_id, e.firstname, e.lastname, e.salary from empbysalary e join departments d on e.department_id=d.id where e.rnk=1 order by 1; `"See full answer

Satej M. - "Problem Statement: 10% of Netflix users are inactive. How would you investigate? Clarifying Question: Define inactive users? Assuming these are the users who have not logged Netflix for last week/last month etc Time span to measure inactive users? Assuming inactive users are inactive from last week. Investigation Questions: Has there been a change or error logged on the analytical tool we are measuring "Inactive users" metric? Does the metric show Netflix inactive"See full answer

Talles S. - "Me: thanks for the question, let me ask a few clarification questions if that's ok. Are those both personal and business users of Gmail? Interviewer: you can consider only the personal ones. Me: perfect, by personal ones, you mean the ones with [email protected], right? Interviewer: yes. Me: right, thank you. Also, are we considering e-mail users that use the Gmail platform or anyone who has a @gmail.com type of e-mail? Interviewer: anyone that has a @gmail.com e-mail. Me: Ok, finally, last"See full answer

Nicholas S. - "First thing the interviewee did wrong is not asking clarifying questions. This is the most vague problem I have every heard, and the interviewee just made assumptions and started programming."See full answer

Erjan G. - "def reverseString(s): chars = list(s) l, r = 0, len(s) - 1 while l < r: chars[l], chars[r] = chars[r], chars[l] l += 1 r -= 1 reversed_str = "".join(chars) return reversed_str `"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

Kartik D. - "Clarifying Questions: What age range are we looking at between 13-19? Any specific range we need to target? - Assume all teens Any demography we would target? - Worldwide Do they have access to phones/laptops or do we need to build an offline product? - Assume they have access to phones and laptops Are there any constraints around privacy or content moderation? - Yes What platform (Facebook core, Messenger, or another product) is this for? - Assume faceb"See full answer

Shanavas M. - "I will have a discussion with him regarding why he disagrees with my solution. I will try to present him a plan about my solution. why I think its the best approach and take his feedback. I will try to analyze his approach and find the best in both approach. Will try to discuss with him and come up with an approach which is agreeable to both parties. The idea is refining the solution and approach instead of personally taking the disagreement. I will make sure that we are attacking the problem"See full answer

Pratik H. - "You're a PM for Uber Eats. Cart conversion has dropped by 10% in the last 3 months. How would you find the root cause? Clarify- 1) What is conversion? Is it where they complete the order after adding it to cart?- Yes 2) Has this drop been sudden or over an extended period of time?- Its been over the past month 3) Is this localized to somewhere? Seems to be only in the US Uber Eats is a business that delivers food and various goods to customers that buy them. Its a 3 sided marketplace wher"See full answer

Rupam S. - "Are you serious? What kind of dog is it? Why would a dog watch Netflix? What kind of movies do they like? Why are we only considering dogs? What’s wrong with cats? Are they going to play movies by themselves? Is it for pet dogs or stray dogs? Who will pay the subscription fees for them? "See full answer

Balakrishnan J. - "I always strive to use feedback as a learning opportunity to enhance my skills and performance. Since I don't have recent negative feedback to share, I constantly seek constructive criticism and feedback to improve. In my experiences, I've received valuable input that has helped me refine my approach, such as enhancing communication methods or adjusting certain processes for better efficiency. Whether positive or negative, feedback is instrumental in professional growth, and I actively use it to"See full answer