Interview Questions

Dee - "Clarify the question: Is this team for a specific part of JPMC or all of JPMC? Did we already have a DevOps team and we want to introduce the element of security? Steps to build a solution: 1: Define the company and team goals 2: Define the landscape What is the toolchain we want to use? What should the CI/CD lifecycle look like? 3: Define guiding principles for internal builds and third-party software/services which could include: Deployment frequency Traceability/observa"See full answer

Marcos P. - "100 people per floor x 100 floors = 10,000 people. Uses of the elevator per day per person: 4, so 40,000 rides per day. Average length of a ride = 50 floors, assuming each ride is to the lobby. Target time per ride: 1 minute. Assuming 80% of traffic occurs during four rush hours, then 32,000 rides must happen in that time, so 133 per minute. Assuming six people per ride then you get 22 elevators required to operate during peak times. I reality you have to treat this as a Poisson arrival process"See full answer

Rev - "Clarify: More about google online tutoring service? - content type, is it recorded/ live, certified/ at own pace/ paid, unpaid, etc.? Objective of this service? Organise world's info & make it accessible & useful, any other objective? What is the revenue model? Competition? Region/ geography? Constraints? Approach: Awareness about the product & job openings: Print & Digital media, ads via google products Accessibility to apply LinkedIn/ Google careers page, post"See full answer

Anonymous Tortoise - "Questions? -Geography - US/ International Model? SEXY? Model 3 Most used. Timeline - 3 Quarters? Increase engagement? - Existing people Tesla - Electric company that builds EV cars. Mission- To accelerate the world's transition to sustainable energy? Mission Why - To increase the engagement - active users Recent Trends - Apps are rising on Apple Watch Ease of Use? Portability? Customer Segments New people who bought Tesla Existing People Models - Model 3 Fleet Owners ["See full answer

Volderdore - "Population of Bangalore - 1.4 cr On an average 4 people live in 1 householde=> 1.4cr/4 => ~35L HouseHolds Out of the 35L Household, 30% household fall below poverty line are not interested in ordering online due to their own personal reasons prefers to visit to the hotel directly and eat instead of ordering online => Thus remaining is ~25L households out of the 25L households, assuming at least 20% of the households place one order on average on any given day will lead to 5L orders"See full answer

Niji R. - "General Approach: In a funnel, prospects that dropped off at the very end just before conversion are the ones that were most likely to convert simply because they went through the effort of going through multiple steps to advance to the very end of the funnel. The more the prospects advances through the funnel, better their probability of converting. I'd therefore focus more on reducing drop-offs at the final stages of the funnel for better conversion. Caveats: There are certain use-cases where"See full answer

Anonymous Sparrow - "Clarifying question to make sure that I'm analyzing the right feature - is this the notification bell that is in the Facebook app and site? (assume Yes) Tapping on it opens a drop-down that captures items and activities that the user should be aware of? (Yes) Ok, I believe I'm clear on which feature you're referring to. My approach: Customer problem and value proposition Meta's mission and north star metric Customer journey and notification bell use case Success metrics on value del"See full answer

Bulent K. - "I said we could always revert the production issues. Solve it at DEV environment and then publish again. Interviewer gave me an example of it like a database schema change that may not be possible to revert. I said that we always used SQL scripts to upgrade and downgrade the database schema for each production deployment. So it would not be a problem for us. I guess my answer was not accepted."See full answer

Hari priya K. - "Smart Lock : Clarifying Questions : Are* we *talking about the locks we use for the doors or locks used for suitcases or study lockers ? "Scope is yours" What do we need by smart ? Are we a company that are already in lock business? - Yes Do we have significant marketshare in lock business ? - Yes Are we trying to address or improve any customer pain point or improve our metric? - "No" Customer Segment : Tech savvy - non tech savvy- Customer buys Old"See full answer

R K. - "I would start with some clarifying questions: What is the goal of the 'Report ad' feature? what do you think? Are we looking at the blue app or Instagram? The ad placement can be adjusted to the both apps, so look at it has a whole Are we looking at a specific location of the report ad? like stories or feed or reels? Nope Are we looking at a specific OS? everywhere Is there some timeline? or restrictions? no Are we looking at a specific market? worldwide Thank you, I"See full answer

Karthik S. - "I don't get it. could you add a little more detail please."See full answer

Anonymous Sparrow - "Clarifying question: how does Uber know that this is happening and has there already been research as to why drivers are doing this? Approach: Understand the problem and how big of a problem is it? Is it a big enough problem to address given other competing priorities? Given the why's both for drivers and riders, ideate solutions to both drivers and riders Prioritize solutions Measure of success Summary Propose the approach above and solicit feedback from interviewer, incorporat"See full answer

Satyajit G. - "It might not be a good idea to predict stock prices only based on reddit comments. You could create a signal from reddit comments that can indicate "social media interest" and feed it into a ML system (along with other features) that predicts prices. Collecting good data to train the model and evaluating it correctly are going to be huge challenges."See full answer