100+ real interview questions asked at Meta for E3, E4, and E5 roles. Includes DSA, system design, and behavioral questions.
20+
DSA Questions
6
System Design
8
Behavioral
4
Week Plan
Commonly asked data structures and algorithm questions at Meta
LRU Cache implementation
Add Two Numbers (Linked List)
Merge Intervals
Valid Parentheses
Binary Tree Level Order Traversal
Product of Array Except Self
Lowest Common Ancestor of Binary Tree
Number of Islands
Clone Graph
Word Break
Subarray Sum Equals K
Random Pick with Weight
Minimum Remove to Make Valid Parentheses
Buildings With an Ocean View
Range Sum of BST
Nested List Weight Sum
Alien Dictionary
Serialize and Deserialize Binary Tree
Diameter of Binary Tree
Moving Average from Data Stream
High-level design questions for E4 and above roles
Design the news feed system that ranks and displays posts for billions of users.
Design a real-time messaging system supporting billions of messages per day.
Design the stories feature with 24-hour expiry, views, and reactions.
Design live video streaming for millions of concurrent viewers.
Design end-to-end encrypted messaging with media sharing and groups.
Design a system to match ads to users based on interests and behavior.
Questions that assess Meta Core Values fit
Structured roadmap to crack Meta interviews
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