Meta (Facebook)

Updated July 12, 2026 · techinterview.org

Interview Process Overview

Meta (formerly Facebook) is known for fast-paced interviews that emphasize coding speed, product thinking, and cultural fit. The interview process moves quickly, and candidates are expected to write production-quality code efficiently.

What to Expect

Recruiter Screen: Initial conversation about your background, interest in Meta, and technical experience. This is also where salary expectations are discussed.

Technical Phone Screen (1-2 rounds): 45-minute coding interviews using CoderPad. Focus on algorithms and data structures with medium difficulty problems. You’ll need to write compilable, working code.

Onsite/Virtual Onsite (4-5 rounds):

• Coding Interviews (2 rounds): Two 45-minute sessions solving algorithmic problems. Expect questions on arrays, graphs, trees, dynamic programming. Meta emphasizes code quality and edge cases.
• System Design (1 round): Design large-scale systems like News Feed, Instagram Stories, or WhatsApp. Focus on scalability, data modeling, and trade-offs.
• Behavioral/Jedi (1-2 rounds): Meta’s cultural interview focusing on “Move Fast,” “Be Bold,” and other company values. Prepare STAR-format stories showing impact.

Common Question Topics

• Graphs: BFS, DFS, shortest path, friend suggestions, network analysis. Meta’s social graph makes these the topics to prepare hardest — interviewers check whether you model people and connections as nodes and edges, then reach for BFS on shortest “degrees of separation” questions and DFS or union-find for connected components. Friend-suggestion prompts usually reduce to ranking the people two hops away by number of mutual connections.
• Trees: Binary tree traversals, BST operations, lowest common ancestor. Know both recursive and iterative traversals cold, since interviewers often ask you to rewrite a recursive solution iteratively on the spot. Lowest common ancestor is a Meta staple — practice the parent-pointer variant as well as the standard root-down recursion.
• Arrays/Strings: Subarray problems, string parsing, two-pointer techniques. Sliding-window and two-pointer patterns cover most of what shows up here, with prompts like longest substring without repeating characters or merging overlapping intervals. Clarify constraints early — in place versus extra space, ASCII versus Unicode — because Meta weighs edge-case handling heavily.
• Hash Maps: Frequency analysis, caching, deduplication. Reach for a hash map whenever a problem needs counts, “have I seen this” checks, or O(1) lookups, and be ready to state the space-time trade-off out loud. LRU cache is a frequent follow-up, so practice pairing a hash map with a doubly linked list.
• System Design: Social networks, messaging systems, news feeds, recommendation engines. Expect prompts pulled straight from Meta’s products, and steer the discussion toward data modeling, the read and write paths, and how the design holds up at billions of users. For a feed, compare fanout-on-write with fanout-on-read and address the celebrity problem; for messaging, cover delivery guarantees, ordering, and online presence.

Preparation Tips

1. Speed Matters: Meta interviews are time-pressured. Practice solving medium problems in 25-30 minutes.
2. Focus on Graph Problems: Given Meta’s social network focus, graph algorithms appear frequently.
3. Write Clean Code: Use meaningful variable names, handle edge cases, and test your code thoroughly.
4. Product Thinking: For system design, think about user experience and product features, not just backend architecture.
5. Show Impact: In behavioral rounds, quantify your achievements with metrics and data.

Interview Culture

Meta values builders who ship fast and iterate. Demonstrate bias for action, willingness to take risks, and ability to work in ambiguous situations. The company culture emphasizes moving quickly and making data-driven decisions.

Last Updated: February 2026