Interview Questions

Rasheek N. - "Clarify: I have some clarifying questions I would like to get answered Is this a podcast app that uses Netflix actors/actresses/producers/etc? Is this available to everyone or just Netflix subscribers? How is this product presented? Is it apart of the Netflix app or its own separate app? Goals: First thing first is to understand Netflix. Netflix is a streaming platform that differentiates itself by being the first platform that creates its own original content. It is facing massi"See full answer

Aviran H. - "Product Overview: Instagram, a social network owned by Meta, allows users to create and share various types of content, including photos, videos, and Reels, which are short, TikTok-style videos. The platform serves different user segments, including content creators, viewers, and the platform itself as an ecosystem. User Segmentation: I segmented users into three primary categories: Content Creators: This includes businesses, public figures, influencers, and regular users who crea"See full answer

Ankush G. - "=>user => window {addfile(void * file, userID, chatID) => add to fileList=> Display(file pointer)} => file=> pointer to DB, thumbnail => file will stores in database, pointer to the file+ thumbnail to be visible to chat => file is associated with chat => chat : users list, notepad: post { , user posted} class file{ void * buffer = nullptr; string fileName = nullptr; public: file( void content, string filename ):fileName ("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

Shiva P. - "When customer is not worried about quality but only worried about delivery"See full answer

Sreenath P. - "I confirmed with the interviewer that its about how slave replaces primary when primary node when suddenly shuts down. It was very tough question for me i felt. i told, we need to maintain schema of primary, secondary instances with their URL's and posts. There should be heartbeat service which always pings the actual microservices to get to know their instances health."See full answer

Ashley C. - "I follow a variation of the RICE framework when prioritizing how I ship product features. I start by looking at: Reach: Because the customer segmentation across our product portfolio is so similar, I tend to hold a lot of weight on product features that will maximize our customer reach with a minimal LOE. Impact: After establishing which customer segments will benefit from the product feature, I determine the urgency and estimated impact on each customer segment based on customer i"See full answer

D J. - "Clarifying Questions & Assumptions: Blue collar :relating to manual work or workers, particularly in industry, they usually dont have college degree Linkedin: a social network that focuses on professional networking and career development. Why is linkedin expanding to blue collar workers? Ans: to expand new market as they have great untapped potential Do you want anew app or integrate it with Linkedin? Ans: you decide I would like to look more into the problem space before deciding on tha"See full answer

Mayank M. - "Clarifying questions- Are we considering only the viewing + upload or all the services like ads, payouts etc? -- only streaming + uploads. Are we considering any specific platform like App, website or everything? --- All. Are we talking about just the tech part or should we consider the ops cost as well? ---consider everything. High level equation- Since we want to calculate the cost of running youtube for a day , we need to consider the following verticals- **Vide"See full answer

Alfred O. - "We can use dictionary to store cache items so that our read / write operations will be O(1). Each time we read or update an existing record, we have to ensure the item is moved to the back of the cache. This will allow us to evict the first item in the cache whenever the cache is full and we need to add new records also making our eviction O(1) Instead of normal dictionary, we will use ordered dictionary to store cache items. This will allow us to efficiently move items to back of the cache a"See full answer

Shubh - "Defining the product Spotify is a music & podcast streaming application and by podcast, we are talking about the audio podcasts which creators upload on the app. Clarifying Questions & respective assumptions Context Who are we improving the product for? Creators or Consumers? What are the current features for consumers in brief? Each podcast has episodes, about(audio trailer), more like this Why are we doing this? Where are we planning to l"See full answer

Alvis F. - "Requirements and Goals Primary Goal:Store key-value pairs in a cache with efficient access (reads/writes). Evict items based on a certain “rank,” which might reflect popularity, frequency, or custom ranking logic. Functional Requirements:Put(key, value, rank): Insert or update a key with the given value and rank. Get(key): Retrieve the value associated with the key if it exists. Evict(): If the cache is at capacity, evict the item with the lowest rank (or according"See full answer

Rachita D. - "Start by explaining your understanding of Google Maps. It is a free web/mobile-based feature that allows users to navigate from Point A to B, trip planning locate restaurants, hair salons, other points of interest around a point on the map Businesses use to sponsor advertisements based on Map search string. Clarify what does improvement means, "Improve" is a loaded term - what do we mean by improvement: increased ad revenue, improve the quality of the results, increase downloads, imp"See full answer

Ilakiya R. - " Design & Architecture Overview: The system was a scalable, cloud-based web application built to manage customer data and automate service requests. Frontend: React.js: Chosen for its component-based architecture, reusable UI, and fast rendering using Virtual DOM. Backend: Node.js with Express.js: Selected for non-blocking I/O, scalability, and rapid API development. Database: MongoDB: Used for its flexible schema, scalability, and ease of handling unstructured data. Authentication: JWT"See full answer

P K. - "Clarifying Questions: Assuming this will be part of FB product. Assuming this is for the US and no major constraints in terms of finances or resources. Goal: To improve user engagement Travel Personas: Solo personal Traveler Group personal Travelers Business travelers Tour operators Transportation Companies (airlines, roadways, trains etc). Choosing to focus on group travelers because most personal travelers usually travel in groups and the volume of this user base"See full answer

Astro S. - "Please provide a transcript. One grasps 150 words in a video, but can grasp 250 words when reading text."See full answer

Dean Z. - "I will use below 4 pillars to rate and prioritize those 5 projects: Analyze the impact of those 5 projects, to our team and to the whole company maybe Find out if those 5 projects have any dependency between each other Clarify the timeline of each project Identity the status of resources to work on those 5 projects and also the status of their dependencies"See full answer