Meta
Social media and metaverse company behind Facebook, Instagram, and WhatsApp.
4 Rounds
~21 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Software Engineer
•
System Design
•
hard
Design the Facebook News Feed system. Users should be able to see a continuously updated list of posts from their friends and pages they follow, ranked by relevance.
#Distributed Systems
#Database Schema
#Caching
#Fan-out
Software Engineer
•
System Design
•
medium
Design a distributed Rate Limiter for the Meta Graph API. It needs to handle millions of requests per second globally, ensuring that individual third-party developers do not exceed their allocated quota.
#Rate Limiting
#Redis
#Distributed Consensus
Software Engineer
•
System Design
•
hard
Design WhatsApp's end-to-end message delivery system. Focus on how messages are routed when a user is offline, and how media (images/videos) are handled efficiently.
#WebSockets
#Message Queues
#Blob Storage
#E2E Encryption
Software Engineer
•
System Design
•
hard
Design a system to track and display 'Trending Topics' (Top K Heavy Hitters) across Facebook and Instagram in real-time. The system must process billions of events per day.
#Stream Processing
#Count-Min Sketch
#MapReduce
#Kafka
Software Engineer
•
System Design
•
hard
Design a distributed web crawler that Meta could use to scrape the internet to build an index for a Large Language Model (LLM) training dataset. Focus on politeness, deduplication, and scale.
#Distributed Systems
#Graph Traversal
#Deduplication
#DNS Resolution
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.