Interview Questions

gdecuri - "Load Balancer, Multiple API Servers, game Service, pub-sub system, HTTP Long Polling for status updates, write-through cache. No SQL DB to store user, game, and move information."See full answer

Raoul S. - "Total number of successful conversations (Weekly). Success measured by sharing AI output or success indicators (e.g. Like)"See full answer

Anuradha T. - "average time spent attending event, number of sign up for the event, attendees/signups"See full answer

Anonymous Deer - "This interviewee had a decent framework but the specifics weren't impressive. I wouldn't post this as an example and would appreciate if you could replace this video."See full answer

Shashikant A. - "I followed STAR format"See full answer

Bhavna S. - "Step 1: Define Objectives and Key Metrics Objectives: Understand the demand for group video calling. Assess the potential impact on user engagement. Identify technical and user experience considerations. Key Metrics: Call Frequency: Number of 1:1 calls per user. Call Duration: Average duration of 1:1 calls. Call Participants: Identify users who frequently call multiple individuals. Concurrent Calls: Instances where users are engaged in multiple 1:1 call"See full answer

FuzzyLogic - "Context Photo app || Click images, videos via mobile app (android, ios) + editing + share + upload Who are we? || Startup who wants to build accessibility apps for the disabled people Why do we want to build this app? || Current apps are not usable by visually impaired, we can bring difference & gain market share. Constraints || To launch in next 12 months Is this app exclusively targeted for blind? || Yes but regular people may also use it but not our main target group **Goa"See full answer

Nikita B. - "Mission: Tiktok's mission is to inspire creativity and Joy. Any business wants to make sure that they are serving the value to their customers: For TikTok customers are: Viewers 2. Content Creators 3. Advertisers So few metrics we could measure are: Time spent/day Total no of videos created/day engagement rate = users who interacted in one of the meaningful action on Tiktok / total users at a day level either likes, share, watched vide for at least 5 mins, created video "See full answer

James W. - "I've recently worked closely with a product that had both the best and worst performing teams. The situation is that one team is struggling to deliver within a reasonable timeframe, a few stronger members of the team are carrying the weaker. Work is taking a long time. They aren't listening to each other. They aren't helping each other to get work over the line. They are getting stuck down rabbit holes. They aren't continually improving their processes. They are getting frustrated and at risk o"See full answer

Akshai V. - "When are you talking about Sales Is the Number of Items that have dropped or GMV dropped ? If the GMV has dropped then clearly there is a drop in the Price of Items ? Is there any category or White Goods which have lead to decrease in the Price of Goods ? Is there a Long Term Promotion running By the Marketing and not because of it ? A customer Journey in a typical Market Place is that customer adds items to car Go To E-Commerce Site -----> Search--->Add Items to Bag"See full answer

Pratik H. - "Clarify- 1) How much time do we have to do this?- 2 years 2) Is there a goal for this product?- We are looking toward engagement towards the Olympics 3) Are we building this for a global auidience or just the US- Up to you 4) Should I keep Meta's mission in mind here? Not necessarily...thinking through the Olympic committee lens Lets understand the Olympics. Its the games that are hosted once every 4 years. Its a global event that hosts many different athletes from various countries. There a"See full answer

Krishan K. - "If I could only talk to one customer of my product, I will pick that customer who was earlier a loyal user of my product but now engaging less or have left the product recently. As a PM, two most important metrics that show that your product is worthy for your users are retention & monetisation. If I am seeing a Loyal user not engaging any more with my platform, it shows that either that user has found 10X better substitute to satisfy the same need or that user is not liking my platform any mor"See full answer

Chethan N. - "Build a counter using queue, one queue per service ("a", "b") and one with just timestamps to get the overall load. Build rate limiter service using the counter and interviewer asked if there rate limiter might use a different instance of a counter"See full answer

Umang S. - "Before diving into answering this, I would like to ask some clarifying questions - High Level - What is the mission, goal, target for this year for WhatsApp? Assumption answer - 10X growth in users Do we have any road map where we can see it with more details? Yes we wish, it is kind of all over the place Do you know how far we have come from the start of the year to achieve that target? Yeah we have done some progress but not much Which quarter are we in? 1"See full answer