Meta Interview Questions

Jeff S. - " function isValid(s) { const openBrackets = new Set(['(','{','[']); const closeBrackets = new Map([ [')', '('], ['}', '{'], [']', '['] ]); const stack = []; for (let i = 0; i < s.length; i++) { if (openBrackets.has(s[i])) { stack.push(s[i]); } else { if (closeBrackets.get(s[i]) !== stack.pop()) { return false; } } } return stack.length === 0; } // deb"See full answer

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

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

Adam M. - "This is a great question! If you don't mind, I'd love to list 3 strengths and weaknesses then dive a little deeper on one of each of them. I think my three greatest strengths are: Empathy Openness to feedback Drive And three weaknesses I have been working to strengthen are: Sometimes my desire to achieve can put me at risk of overcommitting Communicating status to the right stakeholders at the appropriate time Creating detailed and strategic lists of priorities so I can meet th"See full answer

Krishnan S. - "Excellent job Roshan, really liked the explanation. Which software were you using to explain the system design diagrams?"See full answer

A R. - "I liked the role of a TPM due to the opportunity to contribute to the multiple dimensions of software product development. As a TPM I need to collaborate with multiple teams like Engineering, Product, and other business functions, but I also get the opportunity to contribute to the technical aspects of the program/project. I can use my sharp analytical skills to identify/anticipate problems, and leverage my problem solving skills to unblock the teams. I orchestrate multiple teams effort to del"See full answer

Idit G. - "To define the success metrics for Facebook Ads, I’ll outline: Who the users are What their goals and needs are How success is measured across their journey Who are the users: Advertisers: Individuals or businesses running ad campaigns to achieve business objectives. Potential Buyers: Users exposed to ads who may engage, click, or make purchases. User journey and Success metrics: Advertisers: Acquisition:Onboarding Completion Rate: % of advertisers completing"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

דניאל ר. - "Implemented a recursive function which returns the length of the list so far. when the returned value equals k + 1 , assign current.next = current.next.next. If I made it back to the head return root.next as the new head of the linked list."See full answer

Ram - "Clarification Are we focusing on the Amazon shopping cart specifically, or are there any other features involved? Are there any specific user groups (e.g., Prime users, international users) we need to consider? Is there a particular focus on conversion or user engagement? 1. Business Context Feature Goal: The cart serves as the gateway between user interest and the actual purchase, helping to reduce friction in the buying process. Business Model:Amazon take"See full answer

Deepak V. - "Clarification: Lender Focus: We'll cater to mortgage lenders, specifically smaller institutions or those specializing in a particular loan type (e.g., first-time homebuyer loans). 1. User Personas and Pain Points: Create two user personas: Persona 1: A loan officer at a small credit union overwhelmed with manual paperwork and slow communication with borrowers. Persona 2: A loan manager at a company specializing in FHA loans, struggling with cumbersome pre-qualification"See full answer

Anonymous Shrimp - "I would start off by talking about the goals of this feature. What's the goal of Instagram with blue check marks? What does it aim to achieve? For the purpose of this question, I am assuming that Instagram wants to verify celebrities/famous people/brands as the original profile that differentiates them from fake profiles or other fan groups. It's also to develop trust and credibility amongst Instagram users. The mission of Facebook is to connect people across the globe. Instagram, which is a p"See full answer

Geet B. - "Prompt: Define success of reels How do I investigate if reels engagement is up by x, posts are down by y Clarification: What is reels: video experience on explore page, play page. Can have comments, likes etc. Why was it launched: to promote engagement on the app, 'addictive sessions back to back. Product goal: Increase in app time, drive stickiness. Big picture: Instagram launched reels post tiktok style success, way to saving market share Define success"See full answer

Apurv K. - "!! FEEDBACK WELCOME !! Clarify question By art we mean visual art, e.g. paintings? - Yes Is this a solution to create art on Instagram or to showcase existing art on Instagram? - Create art Why build this, Engagement or Acquisition? - Engagement Reframe: We want to increase Instagram engagement through creation and sharing of art with followers. Talking about the space The Internet has over time continuously reduced barriers to creative expression. From blogging to Twitter"See full answer

Mark - "Questions: Is "Facebook Search" referring to the overall search bar at the top where users can search across multiple facebook products (people, events, groups, marketplace, etc.) Interview (I): Assume it is for the overall search experience What's the current goal for Facebook as a company? How does Facebook search fit into the current company goal? I: Your call **What's the goal for this improvement for Facebook Search? Are we aiming to drive engagement overall?"See full answer