Meta Interview Questions (2026)
71 questions across 5 categories ยท Updated April 2026
Algorithms
View all AlgorithmsReconstruct Queue (Alternative Sort)
Medium
Palindrome Partitioning
Medium
Longest Palindromic Substring
Medium
Populating Next Right Pointers in Each Node
Medium
Min Stack
Medium
Trapping Rain Water
Hard
Unique Binary Search Trees II
Medium
Shortest Palindrome
Hard
Find All Duplicates in an Array
Medium
Rotate List
Medium
Behavioral
View all BehavioralConflict with a Team Member on Code Quality
Medium
Improving Deployment Process
Medium
Decision Against Consensus
Hard
Defining Good Code
Medium
Working with Data Scientists
Medium
The Necessity of Code Refactoring
Hard
Experience with A/B Testing
Medium
Handling Interpersonal Conflict
Medium
Managing Downward Accountability
Medium
Working with External Consultants
Medium
Biggest Trade-Off You Made
Hard
Innovative problem solving
Medium
Data Structures
View all Data StructuresFind K Closest Elements (Heaps)
Medium
Smallest Subtree with all the Deepest Nodes
Medium
Find Closest Value in BST
Easy
Design a Graph for Social Networking
Medium
Shortest Distance from All Buildings (BFS)
Hard
Word Ladder (BFS)
Hard
Design a Set Data Structure
Easy
Kth Smallest Element in a BST
Medium
Serialize and Deserialize Binary Tree (Preorder)
Hard
Convert Sorted Array to BST (Recursive)
Medium
Design a Twitter Feed (Sorted Set/Time Series)
Medium
Find Duplicate Subtrees
Hard
Find Subtree with Maximum Average
Medium
Validate Binary Search Tree
Medium
Design a Logger Rate Limiter
Medium
Binary Tree Maximum Path Sum
Hard
Product Strategy
View all Product StrategyShould Meta launch a paid, ad-free version of Instagram?
Hard
Product Strategy for a 'Lite' Version of an App
Medium
Product Strategy for Digital Currencies/Crypto Integration
Hard
Design a Feature to Encourage Positive Community Behavior
Medium
Design a Feature to Promote Digital Wellness
Medium
Monetization Strategy for WhatsApp Status
Hard
Design an Ad Personalization Opt-Out Experience
Medium
Design a Feature to Increase User Retention in the First Week
Medium
Design a Feature for Cross-Cultural Communication
Medium
Product Strategy for Live Audio/Podcasting on Twitter/X
Medium
Improve Facebook/Instagram Stories
Medium
Design a Feature to Combat Misinformation on a Social Platform
Hard
Product Strategy for Digital Advertising in VR/AR
Hard
Design a Feature to Improve Ad Relevance for Users
Medium
Define Engagement Metrics for TikTok/Reels
Medium
System Design
View all System DesignDesign a Real-time Auction Bidding System
Hard
Explain the Raft Consensus Algorithm
Hard
Design a Notification Service (Push/SMS/Email)
Medium
Design a Real-Time Commenting System
Medium
Design an Image Moderation Service (NSFW Detection)
Hard
Design a Chat System (WhatsApp/WeChat)
Hard
Design an Online Polling Service
Medium
Design an Image Hosting Service (Instagram/Flickr)
Medium
Design a Video Conferencing Service (Zoom)
Hard
Design an Email Service (SMTP/Sending)
Medium
Discuss Microservices vs. Monolith Architecture
Easy
Design a System for Live Stream Polling/Reactions
Medium
Design a Dedicated News Feed Ranking Algorithm
Medium
Design a URL Shortener
Hard
Design a Graph Database Service (Neo4j)
Hard
Discuss Database Sharding Strategies
Medium
Design a System for Tracking Daily Active Users (DAU)
Medium
Design an Image Processing and Filtering Pipeline
Medium
Preparing for a Meta interview?
Practice with our AI interviewer that simulates real Meta interview patterns.
Start Free Practice