Interview Questions

Ammro H. - "I am not sure if I agree with the approach taken in the mock video. Should FB build a tablet? is not the same as "Design FB tablet." This is an analytical decision question, not a design question. I would have done strategic analysis using Porter's five forces or maybe SWOT and value chain analysis to decide rather than designing a product. My answer will be to examine critical factors to decide to build tablet vs. to build apps for existing non-FB tablets (ipads and android tablets) Users"See full answer

Scott S. - " The Situation A few months ago, our trading platform started experiencing significant latency issues during peak trading hours. This latency was affecting our ability to process real-time market data and execute trades efficiently, potentially leading to substantial financial losses and missed opportunities. Identifying the Problem The first step was to identify the root cause of the latency. I organized a team meeting with our data engineers, DevOps, and network specialists to gather"See full answer

Ilnur I. - "I really appreciate how he clearly explains every term he uses!"See full answer

Ananya M. - "I am assuming current situation where public transport have restarted but uber pool is yet to start. Assuming it's Bay Area = I am considering internet penetration to be 100% . pop = 8 million (2M per age group) age group that would use uber (20-80 , under 18s can't ride) x age group that can afford uber ( low:mid:high income = 20:50:30 meaning 80% of each qualifying age group can afford uber) x people per household in need of transportation (3 people per household, 2 cars on average per househ"See full answer

Clayton P. - "The interviewer hinted that a two-tower recommender system might be a suitable approach, using user history to embed users and pages separately and train on view or interaction data. Instead, I proposed a different approach that I felt was more aligned with how knowledge is structured in Confluence: I designed a system using a graph database to model the relationships between Confluence pages. Each page is a node, and edges represent content-based references. For example, when one article"See full answer

Ashutosh K. - "Imagine you're a PM for Mastercard. Design a product for restaurants to help them transition to a purchase order (PO) system that reduces their labor costs Mission & Vision : Mastercard is a payment processing fintech company, it has different payment service & products ex credit/debit cards etc. Mastercard vision and mission to to connect the world financially making payment process seamless across different industries. Clarifying questions : What type of restaurants on basis of revenue we"See full answer

Ekta M. - "Think of an operating system (OS) as being similar to a person managing household tasks like you! Imagine you have several chores to do around the house, such as cooking, cleaning, and praying. Each of these tasks is like an individual app. You, in this case, are responsible for ensuring all these tasks are completed smoothly. When you cook, you decide what ingredients to buy, how much of each, and which utensils to use. For cleaning, you assess what surfaces need to be cleaned, whether you need"See full answer

Aekagra S. - "To answer this let's deconstruct what Amazon Prime offers Free Delivery on Amazon Same-day delivery for a few locations Additional discounts Early Access & Exclusive Deals Prime video subscription Prime music subscription Considering above let's first talk about music and video subscription Netflix, Disney, and other OTT platforms on average charge ₹120/month. Now for Music, Spotify or YT music charges an average of ₹180/month for their premium subscription. Coming the E-com"See full answer

Henry H. - "Overall, a successful Netflix viewing session requires that the user was able to find a piece of content that they loved watching. Now, to break this down, how we might define this: -Time browsing (from app open to content played) -Satisfaction --> inferred satisfaction: did user complete watching the piece of content? --> explicit: did the user rank that they loved the content (2 thumbs up)? The way I would evaluate a new Top Picks ML feature would be to implement an A/B test as follows: Te"See full answer

Malay K. - "While answering such a question, it is important to focus on personal growth, learning, and how the experience improved your teamwork. You want to demonstrate self-awareness, humility, and an ability to adapt. I had this experience while working on a cross-functional project that involved collaboration between the engineering and marketing teams. In the interview, I shared a story when I misjudged someone and showed unconscious bias towards due their gender, ethnicity or age. It was embarrassin"See full answer

Sofiya H. - "Context / clarifying questions: Should I assume this is part of Google company? Let’s assume yes Let’s assume we’re building this for Waymo, Google parent company Self-driving cars industry today It’s evolving a lot. I do not have much information on the industry but I know Waymo self driving cars are progressing and there are self-driving taxis already running. Why are we building this and why are we building this now Mainly to understand if this makes sense to"See full answer

onering2ruleall - "Would consider the following factors: Customer demographic and preferences Location of the warehouse and what's the local product trends Seasonality and time of the year for trendy products Balance of volume and margin products Supply chain consideration Competition analysis Inventory turn over rate eCommerce aspects of the inventory Plus the following types: Essential and groceries Electronic and entertainment Apparel and footwear Home and lifestyle Seasonal and promo"See full answer

Unicorn 2. - "I would like to ask a few clarifying questions Lyft for kids: Does this mean we want to design a ride sharing app for kids? (Assuming yes) Do we have any existing features catered to kids? (Assuming no) Lyft has a lot of features. I am going to assume basic table stake features which Lyft already has as: Ability to call for a ride Ride tracking Are there any goals that we would like to achieve with this feature? If we look at current market conditions, Lyft has biggest threat f"See full answer

Kinjal S. - "Shopping funnel and engagement: Global search brings up food items from multiple restaurants but results don't directly lead users to the item in the restaurant. Retention and repeat: Users are not able to earn and burn store-specific rewards. Similarly stores/restaurants can't build direct relationship w/ the customers and provide custom offers Multi-store cart and checkout. Currently DD supports cart and checkout from a single restaurant at a time. Many times customers want to order f"See full answer