Interview Questions

Kena K. - "Lyft’s mission: To become the world’s best transportation company CQ: · Region: USA · Metrics to improve: Engagement User persona: · Passengers · Drivers Will consider passengers persona for this case. Use case / pain points: Exact pick up location is not visible on the map Not able to communicate exact location to the driver due to unknown location How to change the pick-up location in case passenger has to move around Features: Passenger can share a pictur"See full answer

Nikolas C. - "That's really interesting how in section "Behavioral Interviews for Engineers" there is no single interview for, actually, Engineer. It's EM, SA, CEO, PM etc. So all problems are not relevant for people who are not managing products and not applying for manager's role. Will you consider adding at least couple of them? "See full answer

Smriti G. - "Product -> Self service Portal North Star Metric-> No. of proposal downloaded Problem-> 15% Decrease in Proposal downloads RCA-> System Health check-> Bugs, errors in pages during session, site crashed, server inavailability, new feature was introduced which made it difficult for user to navigate. If there was problem of server in-availability, is load balancer working fine/server is not available? If problem was with feature-> What feature was introduced? do an A/B test with older feature Fu"See full answer

Ben G. - "Ask Follow up Questions Is this for specific type of user or open? Do we have any past research that has been done? Do we have an idea of company and user goals? Do we have metrics of success? Are there any existing constraints? Why  |  5 min Why is this product or feature important? How does this product benefit customers? What business opportunities does it create? What is our hypothesis? What are our company goals? Who  |  3 min Who are the different types"See full answer

Gk K. - " can we use blomfilters to check existing usernames? and if both are creating at a time, like both are choosing some abcd , here system checks whether user with that name exists or not. so while checking , it will add an entry on redis (example) with this name as key and obtain lock using some distributed lock. , it will lock on that name. (like seat booking in bookmyshow) with some TTL value. so this check will happen once user enters his interest username and also while submit .. 2 times che"See full answer

Bradley E. - "I'm pretty sure Exponent's answer is wrong. In the snippet below, they use "pl.name = 'Telephones' to attempt to filter down to the Telephone transactions, but they do this within a LEFT JOIN which means all product_lines rows are returned. > LEFT JOIN product_lines pl > ON p.productlineid = pl.id > AND pl.name = 'Telephones' Below is my solution. Also, I didn't see anywhere that said the "amount" column was in cents instead of dollars, but I still divided by 100 to be consistent with Exp"See full answer

Claudia S. - "What is a "cache controller"? With no more details it's difficult to tell what this question is about."See full answer

Scarlett S. - "Clarifying and definition of the metrics By creations down by 5%, how do you calculate the drop? the how % user create stories has dropped, or the overal stories being created fewer, could be average stories created by a user drops. Basically, how do you calculate the creation and drop? They have similarities, but it reveals diffrent type user behahviors. Assume they say fewer people create fewer stories , both, Just to be confirm that, we saw a 5% change/dig in how many user"See full answer

Rishi P. - "Facebook's mission is to bring people closer. And sports is common language connecting people across the world. The joy of enjoying watching sports is with friends who also support the same team, cheer for them and trade facts about them. The product I would build is a live interactive sports app that a group of friends, though they are apart physically, can join into, chat and share happiness. The interactive sports app will stream live sports and allow users to create a community or group"See full answer

Ritaban M. - " Brute Force Two Pointer Solution: from typing import List def two_sum(nums, target): for i in range(len(nums)): for j in range(i+1, len(nums)): if nums[i]+nums[j]==target: return [i,j] return [] debug your code below print(two_sum([2, 7, 11, 15], 9)) `"See full answer

Amparo L. - "The reason I want to work at Doordash is because I’m a really hard worker, I never give up and I’m good at delivering stuff to my teachers at school whenever they have something to drop off to them, I look at the paper and then I read the directions given to me on the ipad to drop it off."See full answer

Gomathi S. - "I product manage customer care - while I belong to the ecommerce platform team. customer care is not a direct contributor for revenue and the feedback i received during my career progression was unless i contribute to revenue i cannot be on promotion track. this is difficult feedback to act on as its not by job responsibility. worked with my manager on 2 fronts - 1) create a succession plan so i can take on additional responsibility that contributes to revenue and 2) create a plan on how care ca"See full answer

Laura S. - "Clarifying questions: is this a brand new product, or are we improving an existing one? (i.e. are we going to have to migrate an existing codebase or are we starting from scratch?). are we resource-strapped (e.g. # engineers, time)? are there any specific priorities for the product, or should i leave it open-ended? Assume: brand new product, well-resourced, no specific priorities. It seems that there are two sides to this question: 1) technical evaluation of different languages, and 2)"See full answer

Kirit K. - "Had to refactor code at recent startup after having it fully deployed and working. This was due to us hitting some performance and UX issues. What I did was refactor the core engine first myself, and then line up a work team to progressively refactor the edges and exception flows that sit around the core. Completed in 4 weeks."See full answer

Cameron P. - " Questions: Deadly diseases: new and current CEO of healthtech startup: adoption phase Mission: to improve and extend lives What we do: Research new diseases and connects people to doctors Structure: Objective -> Macro-Factors -> Company -> Users -> Suggestions Objective: Why? Mission to improve and extend lives How do we inform the world about these 20 deadly diseases we detected? Macro-Factors(climate/competition) World events like pandemics - this is a good investment* "See full answer

Jaime A. - "I might be missing something but the solution, seems to be incorrect. ... , post_pairings AS ( SELECT ps.user_id, ps.postseqid AS failpostid, ps.postseqid + 1 AS nextpostid FROM post_seq AS ps WHERE ps.issuccessfulpost IS TRUE ) -- here ps.issuccessfulpost IS TRUE the condition should be FALSE -- in that way ps.postseqid is the actual failed post(failpostid) -- Additionally, at the end the join is assumming that the sequence id is going to match the post_id, wh"See full answer

Anuradha T. - " I will attempt to answer this. Barnes and Nobles Nook, although Amazon had an advantage in terms of being early to market (2007) with the Kindle, B&N Nook could have been marketed Nook more creatively, given that B&N has access to massive inventories of books in digital format. It fell short of: Focusing on the differentiation in marketing Being aggressive in marketing tactics by promoting the Nook at events, webinars, out-of-store marketing Attracting the user base by highlighting the m"See full answer

Jack F. - "The project manager must take care of the risks associated with the particular project. Scrum Master is a team facilitator and serves as a servant leader. The product manager serves as a team leader and is responsible for project performance and ensuring that everything goes according to plan."See full answer