Interview Questions

Glados - "First, why are we building the system? What are the requirements we must meet - Do customers care about data being read/written from a single set of tables or multiple tables, do they care about cost allocation, do they need backups/storage to happen slow or fast, do they foresee a lot of data movement from one table to another? Based on this, there are a few options using some common design choices. Shared disk, or Shared nothing. Both have pros and cons. Based on latency, performance, and cos"See full answer

Jaswanth P. - "Proposed Solution: Awareness and Control Features Algorithm Awareness Campaign Educational Content: Create short videos explaining how the algorithm works to enhance user experience. Transparency Reports: Regular updates on algorithm changes to keep users informed. User-Controlled Engagement Settings Customizable Feed Options: Allow users to adjust content preferences and limit certain types of videos. Time Management Tools: Introduce reminders for screen time limits an"See full answer

Rahul J. - "Clarifying questions Key value proposition of the product: targeted search engine for kids to search the internet Target users: kids below 18 years of age Target geography: USA Form factor: web app Target market Kids (largely school students) are now increasingly using the internet for educational purposes to perform assignments, collaborate on projects etc. A search engine is a core need to access the internet for this audience and is needed quite frequently - almost every time a"See full answer

Anonymous Wasp - "I was able to provide the optimal approach and coded it up"See full answer

Yair G. - "Are we speaking of all Meta Ads products on something specific? All of them Meta is a social media and AI company that generates most of it's revenue from Ads on social media. Meta's mission is to empower people to build communities and bring the world closer together. If ads violate the community guidelines regulations that can directly hurt both Meta's mission and its revenue stream. For example ads that include hate speech are against community guidelines and also hurts Meta's mission. Ha"See full answer

Manas M. - "Couple of Clarification Questions to be asked are: Aim of the physical product Retention/Encourage Loyalty Attract new customers Collect customer Data outside of the Airbnb ecosystem for better advertising and customer focus User Base of Airbnb Solotravellers - traveling to new places for exploring/solo travel Business Travelers - Lot of business Travelers who own small/medium businesses and book their own travel can choose airbnb Family gr"See full answer

Sdn D. - "Clarifying question: AOV/USER it means that the total price paid by a user in a certain period should be more than what it is now ? Is the average taken on a daily/ weekly/monthly basis ? I would presume it to be a monthly basis , as it helps us a defined period of time to analyse user beharviour and track number of orders. Daily wont be succesfull mertric , as ocassionally only a user may order multiple times in a day , also weekly is also a viable metric but that wont help us to analyse"See full answer

Dinar M. - " Thanks a lot for showing us how a recommender system can be build. I see it was proposed to use Collaborative filtering which is user - item matrix having dimension N * M (where N - number os users and M - number of songs). Though, it was explained how it gonna be built, it is still unclear how all users and songs features are going to be used. In that matrix we have values in cell (lets say i, j) like 1 - a specific user (i) clicked on song (j) when it was recommended or it is 0 when the user"See full answer

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

Rahul J. - "Facebook is a social media platform containing many types of content to engage users: user posts, groups, events, video, reels etc. Clarifying questions (assumptions): Drop in user engagement = Time spent on app has come down by 20% per day Geography = worldwide Form factor: drop consistent on mobile app and web app across browsers and OSs Drop if common across the entire platform, and not on any specific feature Common across user age groups External factors: Any new regulation"See full answer

Scott S. - "The growth of remote work presented engineering managers with the unique problem of leading scattered teams. Keeping remote workers engaged, motivated, and productive can be a daunting endeavour, but with the appropriate tools and methods in place, it’s possible to bridge the gap caused by physical distance and establish a thriving work environment. One crucial part of managing remote or hybrid teams is good communication. Establishing clear routes of communication and setting expectations fo"See full answer

Anonymous Flamingo - "Design a washing machine for Google Step 1: Building Context through clarifying questions Are we looking at building a complete washing machine(new line of business) or a connected app for washing machine like Android Auto? Any specific geography to look for Goal? Increase usage of any specific google product or introduce smart white goods hardware Step 2: Target users Individuals Single Family Couple Hotels Students Laundromats **Apartments/Studen"See full answer

Apurv W. - "Clarify: Understanding of wallets an UPI What is failure rate here? - transaction failed Is it real time failure or successful on front end but failed in backend - assuming it is front end, real time failure. Have other related products/features experienced the same change? Diagnose (impact, significance) Failure rate = assuming it is significantly increasing Impact = customer lifetime value, # of bookings, Avg order value and satisfaction too. Users & value Seller = Revenue "See full answer