Meta (Facebook) Interview Questions

Ketshi B. - "Clarifying questions When we say signals do you mean just features that are fed into the ML model that decide how the content should be ranked? Is newsfeed the front page of fb app. Can you expand what you mean by relevance? User journey User enters blue app.. Newsfeed is the first thing they see. User either continues on newsfeed ie scrolls through it or moves to a separate part of fb As they are scrolling they may see contents from friends, creators and ads, or other pages that they have been"See full answer

P K. - "Clarifying question 1: Define Friend requests -- no. of friend requests sent in the platform through the "Add Friend" button Clarifying question 2: Time period for comparison - 10% - WoW or DoD or MoM? -- WoW Gathering context: Is the decline progressive or a one-time event? --> progressive Because the decline is progressive, ruling out technical glitches, downtime, or any other reason impacting the feature uptime. Is this decline global or regional? --> global Because the"See full answer

Shashank S. - "Prioritizing competing features involves evaluating and comparing different features to determine which ones to implement first, based on their relative importance, value, and impact on the product and users. Here are some steps to help prioritize competing features: Define the goals and objectives: Identify the product's overall goals, target audience, and key performance indicators (KPIs). This will help you understand what features are most important to achieve these goals. **Gather"See full answer

Aabid S. - "We had a huge launch on September 1st of this year where we completely redesigned our application from the grounds up and also migrated to a new platform (React.JS). This project took us 8 months and the launch was a huge deal for the team. Unfortunately the launch wasn't as smooth as we expected and despite doing multiple rounds of QA, some major issues cropped up in the core part of the app right after launch and our client was quite upset since it was disrupting their day-to-day workflow. "See full answer

Jagriti C. - "Clarifying questions: Will this be within the facebook blue app or will this interface/app sit separately? Volunteering can be of a few types- say for social causes or volunteering in college fest/ music fest etc. Is there a specific type of volunteering we need to consider? Let's start by revisiting company's mission statement and see if this gels with the mission- Meta's mission- To give power to build community and bring the world closer together. Volunteering is basically a way for hu"See full answer

Adam L. - "Discussed: Requirements of the system: latency language modality (assume keyboard typing) availability of data (assume cold start) success metric (accuracy of next word predicted?, or minimize false positives? -> accuracy to start) Data collection and processing: design ethical user experiments to collect typed out data design a simple tokenization strategy (word level encoding, character level encoding, byte-pair encodings, and discuss tradeoffs) collect data, and split"See full answer

Arunima S. - "I’ll first set the purpose of Instagram Reels Ads as a product: Instagram Reels connect to Meta’s mission of building meaningful connections and build community via connecting people through visual storytelling. It’s a popular product with typically Billions of active users. The business model of Meta is largely dependent on ad revenue and Ads on Reels shall primarily be poised to improve revenue for Instagram Reels and in turn Meta, and on secondary notes the upside could be in improving produc"See full answer

Ajay P. - "Designing an evaluation framework for ads ranking is crucial for optimizing the effectiveness and relevance of ads displayed to users. Here's a comprehensive framework that you can use: Define Objectives and Key Performance Indicators (KPIs):** \\Click-Through Rate (CTR):\\ The ratio of clicks to impressions, indicating the effectiveness of an ad in attracting user attention. \\Conversion Rate:\\ The ratio of conversions (e.g., sign-ups, purchases) to clicks, measuring how well"See full answer

KAI - "Answer: select fromcaller, count(DISTINCT tocallee) as num_calls from calls group by fromcaller having count(DISTINCT tocallee) >= 3 Setup: CREATE TABLE calls ( from_caller VARCHAR(20), to_callee VARCHAR(20) ); INSERT INTO calls (fromcaller, tocallee) VALUES ('Alice', 'Bob'), ('Charlie', 'Dave'), ('Alice', 'Frank'), ('Charlie', 'Heidi'), ('Charlie', 'Judy'); "See full answer

Shubham S. - "Introduction UberSenior is a new service offered by Uber that provides safe, reliable, and convenient transportation for senior citizens. This PRD outlines the key features, functionalities, and user experience for both seniors and drivers using UberSenior. Problem Statement Existing transportation options for seniors often have limitations, including: Accessibility: Lack of vehicles equipped for mobility aids or physical limitations Technology barriers: Difficulty using smartphone"See full answer

Ankit J. - "Clarifying Questions: Are we looking to create a product for creators or the end users? - Creators What kind of product are we looking to build? (App /Website/Embedded within the Instagram product ) - Embedded within the app Why do we want to enter the edtech market? (Anything specific insight we have gained which we want to solve for?) - The creator's market is growing substantially and people want to gain knowledge on how to become successful in it. Are there any money or time con"See full answer

Satyam S. - "Reversing a linked list is a very popular question. We have two approaches to reverse the linked list: Iterative approach and recursion approach. Iterative approach (JavaScript) function reverseLL(head){ if(head === null) return head; let prv = null; let next = null; let cur = head; while(cur){ next = cur.next; //backup cur.next = prv; prv = cur; cur = next; } head = prv; return head; } Recursion Approach (JS) function reverseLLByRecursion("See full answer

Kat - "Clarification: What types of jobs are we targeting? Are we talking about a broad market (like Indeed) or more focused—white-collar (LinkedIn-style) or blue-collar (gigs and tasks)? Where are we launching the marketplace—U.S. or globally? Let’s assume U.S. for now. Is this a standalone product or integrated within one of Meta’s existing platforms (Facebook, WhatsApp, Instagram)? Let’s assume it’s integrated into Facebook. Overview: Meta’s Mission: Why would Meta want to launch a"See full answer

Praveen - "Narrow down scope with clarifying questions: Confirm that Reactions are the like, love, sad and other icons that facebook users can respond with on your post. Understand the metric: is "down" ... absolute number or is it a ratio of reactions per post? Understand the boundary conditions: Is it specific to a certain region, certain segment of users (only from new users versus active users), happening on personal posts or group posts, happening on app versus desktop/mobile etc. Under"See full answer

Fahad K. - "Alright, let's think through this change of moving the 'like' button to a menu under three dots on photos I'll start by aligning this change with Facebook's mission, analyze key insights, define the product mission for this update, Identify the eco-system (n-sided marketplace) Look at the effects on the eco-systems, Effects on their needs and pain points. Identify the most important actors and most important actions Come up with some metrics that we may be using to"See full answer

Vijay M. - "Very well done."See full answer

Julien C. - "👇 Your feedback is very much appreciated 👇 👁️ Vision Empower artists to earn a living through their art while connecting millions of fans to exceptional music experiences. A live streaming feature can humanize the digital experience, making the platform not only a place to stream recorded music but also a stage for real-time, authentic artist-fan interactions. Enhance Spotify’s artist-first narrative by providing a unique way for artists to monetize their performances. Leverage Spot"See full answer

Anonymous Hummingbird - "Clarifying questions: · Is there a specific scenario we are building before? Example: urgent need for a specific type of blood vs building up blood banks proactively. You decide · This would be for mobile/web and integrate into the existing facebook product? Yes Ok before we get started I wanted to discuss the facebook mission: to give people the power to build community and bring the world closer together. I can see how blood donation fits directly into this, enabling blood donation helps"See full answer

Bipin R. - "As you know, this is the most important question for any interview. Here is a structure I like to follow, Start with 'I'm currently a SDE/PM/TPM etc with XYZ company.... ' Mention how you got into PM/TPM/SDE field (explaining your journey) Mention 1 or 2 accomplishments Mention what you do outside work (blogging, volunteer etc) Share why are you looking for a new role Ask the interviewer if they have any questions or will like to dive deep into any of your experience"See full answer

Pankhuri T. - "Clarifying Questions - Who are we referring to "friends" and "non-friends"? (My assumption is people who we follow and they follow us back are our FRIENDS and people who we just follow, recommendations by Facebook and all other content falls under NON-FRIENDS category, is it right?) Are we doing it putting a certain success metric in our mind? (Assuming none, just to make people's lives easy) Let's use a combination of GAME & 4W1H Framework here to evaluate this question **G"See full answer