Meta Facebook Mock Interview Prep | DSA + System Design

📌 About Meta (Facebook) Interviews

Meta's interviews are among the most rigorous in the industry. They heavily test graph algorithms, dynamic programming, and product-scale system design. The behavioural round focuses on Meta's core values: Move Fast, Be Bold, Focus on Impact.

🔄 Interview Rounds

🧠

Recruiter Screen + Coding

Initial coding screen via CoderPad. 1–2 medium problems on arrays, strings, or trees.

💻

Coding Rounds (×2)

Hard LeetCode-level problems. Graphs, DP, and backtracking are common. Speed matters.

🏗️

System Design

Design Instagram feed, Facebook Messenger, or a distributed cache. Focus on scale (billions of users).

🎙️

Behavioural (Core Values)

Questions around Meta's values: Move Fast, Build Social Value, Be Bold. STAR format required.

📚 Key Topics to Prepare

Graphs (BFS/DFS/Union Find)

Dynamic Programming

Binary Search

Sliding Window

Distributed Systems

Product-Scale System Design

SQL + NoSQL

Meta Core Values

💡 Expert Tips

1
Meta loves graph problems — master BFS, DFS, Dijkstra, and Union-Find.
2
Practice on a whiteboard or blank Google Doc (no IDE autocompletion in interviews).
3
For system design, always consider scale: 1 billion users, 100M requests/day.
4
Prepare stories showing 'Move Fast' — when did you ship something quickly?

❓ Frequently Asked Questions

Is Meta interview harder than Google? ▼

Meta's DSA rounds are considered similarly hard, with a focus on graphs and DP. System design at Meta is extremely scale-focused.

Does Meta hire from India campuses? ▼

Meta hires from IITs and top NITs. They also hire experienced engineers (3+ years) via direct applications.

What is Meta's interview process timeline? ▼

Typically 4–6 weeks: recruiter call → phone screen → 5 virtual onsite rounds.

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Meta (Facebook) Interview Preparation

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