Meta Software Engineer Interview Questions

Meta Software Engineer interview questions focus heavily on algorithmic problem solving, clean coding, and systems thinking, with senior roles adding larger-scale system design and product-sense prompts. What’s distinctive about interviewing at Meta is the emphasis on writing correct, readable code under time pressure while narrating trade-offs, plus a structured hiring committee and team-matching stage that evaluates consistency of feedback across interviewers. Candidates should expect a recruiter screen, one or two timed coding screens in a shared editor, and an onsite loop with coding, behavioral, and — for higher levels — system or product design. Meta has also piloted AI-enabled coding environments for some interviews, reflecting real-world tooling trends. Effective interview preparation combines sustained practice on medium-to-hard algorithm problems, timed mock interviews in the same editor format, and a clear system-design framework for scoping and scaling solutions. Equally important is preparing concise STAR stories that show impact, ownership, and collaboration. During interviews, communicate assumptions, ask clarifying questions, handle edge cases, and iteratively optimize code while explaining complexity and trade-offs.

352 Questions 1 Company07.06.2026
Showing 20 results
Role
Meta logo
Meta
Hard
Software Engineer

Design a scalable banking system

System Design: Core Banking Platform Problem Design a banking system that supports: - Account creation - Balance inquiry - Deposit and withdrawal - At...

System Design
4
0
47 people solved
Sep 6, 2025
Meta logo
Meta
Hard
Software Engineer AI

Solve Two Backtracking Array Problems

You will solve two independent coding problems. For each problem, first discuss edge cases, then implement a correct solution, and finally explain how...

Coding & Algorithms
36
0
292 people solved
Apr 27, 2026
Meta logo
Meta
Medium
Software Engineer Locked

Design content moderation for a posting app

This question evaluates a candidate's ability to design content-moderation features, covering competencies in scalable system design, API and data mod...

System Design
4
0
65 people solved
Feb 12, 2026
Meta logo
Meta
Medium
Software Engineer

Explain your main growth area

What is one of your main growth or development areas right now? Explain: - What specific skill or behavior you are working to improve. - How you ident...

Behavioral & Leadership
4
0
81 people solved
Dec 8, 2025
Meta logo
Meta
Medium
Software Engineer

Share different perspective from leadership feedback

Describe a time when you received feedback from a manager or senior leader that gave you a different perspective on a situation or project. Explain: -...

Behavioral & Leadership
4
0
47 people solved
Dec 8, 2025
Meta logo
Meta
Easy
Software Engineer

Solve palindrome-check and vertical-order traversal

You are asked to solve two separate coding questions. You do not need to run code; be prepared to explain your approach and walk through examples. Que...

Coding & Algorithms
2
0
40 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Software Engineer

Solve four algorithmic problems

Solve the following coding tasks. For each, describe your approach, complexity, and handle edge cases. 1) Make parentheses string valid with minimal d...

Coding & Algorithms
6
0
51 people solved
Oct 12, 2025
Meta logo
Meta
Medium
Software Engineer Locked

Design an online coding contest platform

This question evaluates a candidate's ability to design scalable, reliable, and secure distributed systems for real-time, event-driven workloads, cove...

System Design
4
0
64 people solved
Feb 7, 2026
Meta logo
Meta
Medium
Software Engineer

Describe conflict resolution and leadership

In a senior software engineering phone screen, you may be asked several behavioral questions around collaboration, conflict management, and leadership...

Behavioral & Leadership
2
0
45 people solved
Feb 1, 2026
Meta logo
Meta
Hard
Software EngineerSenior+

Solve Subarray Sum and Local Minimum

Two coding problems were reported in the same phone-screen round: 1. Count target-sum subarrays. Given an integer array nums and an integer k, return ...

Coding & Algorithms
5
0
40 people solved
Apr 15, 2026
Meta logo
Meta
Medium
Software Engineer

Answer core Meta behavioral questions

You are in a behavioral interview for a software engineering role. Answer the following questions with concrete examples from your experience (interns...

Behavioral & Leadership
15
0
109 people solved
Jan 22, 2026
Meta logo
Meta
Hard
Software Engineer

Design place-of-interest ML system

Design place-of-interest ML system Design a POI (Places of Interest) Recommendation System Context Design a global POI recommender for a mobile maps/f...

ML System Design
13
1
119 people solved
Jul 17, 2025
Meta logo
Meta
Medium
Software Engineer Locked

Design coding platform with global leaderboard

This question evaluates proficiency in scalable distributed systems and system design, including real-time ranking algorithms, data modeling, API desi...

System Design
6
0
57 people solved
Jan 18, 2026
Meta logo
Meta
Medium
Software Engineer

Walk through resume and plan team success

Behavioral/Leadership Prompt — Technical Screen (Software Engineer) You are interviewing for a Software Engineer role in a technical screen focused on...

Behavioral & Leadership
4
0
39 people solved
Sep 6, 2025
Meta logo
Meta
Hard
Software Engineer

Design an Instagram-like photo-sharing platform

System Design: Instagram-like Photo and Short-Video Platform Goal Design an Instagram-like platform for photos and short videos. The design should cov...

System Design
4
0
47 people solved
Sep 6, 2025
Meta logo
Meta
Medium
Software Engineer

Find mode or minimum with time-space tradeoffs

For an unsorted array of integers, implement two functions: ( 1) return the minimum value; ( 2) return the value that appears most frequently (the mod...

Coding & Algorithms
5
0
37 people solved
Sep 6, 2025
Meta logo
Meta
Easy
Software Engineer

Describe background and job motivations

Behavioral HR Screen: Self-Introduction, Role, Motivation, and Company Fit Context - Scenario: HR screen for a Software Engineer role. - Goal: Concise...

Behavioral & Leadership
5
0
65 people solved
Sep 6, 2025
Meta logo
Meta
Hard
Software Engineer

Merge customers and preserve history

Question Implement mergeCustomers(String oldId, String newId) for a payments/ledger platform. The call absorbs oldId into the survivor newId while pre...

System Design
6
0
50 people solved
Sep 6, 2025
Meta logo
Meta
Medium
Software Engineer

Design unit tests for grid navigation

Mouse-Maze Controller: Design a Comprehensive Unit Test Suite Context (assumptions to make the task self-contained) Assume we are testing a controller...

Software Engineering Fundamentals
3
0
63 people solved
Sep 6, 2025
Meta logo
Meta
Hard
Software EngineerSenior+

Describe conflict resolution and mentoring experiences

You are interviewing for an engineering manager or senior engineer role. Prepare structured behavioral answers for these four prompts: 1. Describe a s...

Behavioral & Leadership
4
0
40 people solved
Mar 23, 2025
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Meta Software Engineer Interview Prep
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Frequently Asked Questions

How difficult are Meta Software Engineer interview questions?
Meta Software Engineer interview questions are typically challenging and calibrated to the role level. Entry-level candidates face medium-to-hard algorithm and data-structure problems under time pressure, while mid and senior interviews add depth with larger-scale system design and architectural reasoning. Interviewers assess not only correct solutions but clarity of thought, trade-off analysis, coding quality, and communication. Expect to be evaluated on problem decomposition, complexity analysis, and edge-case handling. Difficulty varies by team and level, so prepare for both algorithmic rigor and practical engineering judgment when demonstrating solutions and trade-offs.
What does the Meta Software Engineer interview process look like and where does this role appear in the loop?
The typical process begins with a recruiter screen, followed by one or more technical phone or virtual screens that test coding and problem-solving. Successful candidates advance to a multi-round onsite or virtual “loop” consisting of two to three coding interviews, at least one behavioral interview, and for mid-to-senior roles one or more system or product design sessions. Software Engineer candidates therefore appear across coding rounds and design rounds, with behavioral rounds assessing impact and collaboration. Recently, some interviews may include an AI-assisted coding session as part of the loop, replacing a traditional coding round for select candidates.
What timeline should I follow to prepare for a Meta Software Engineer interview?
A structured timeline helps: for entry-level roles plan six to eight weeks of focused practice, for mid-level roles eight to twelve weeks, and for senior roles twelve weeks or more. Early weeks should emphasize algorithmic problem practice and mastering common patterns, followed by dedicated system design study and mock design interviews. In the final two weeks, increase timed mocks, rehearse behavioral stories with clear impact metrics, and simulate CoderPad-style sessions to build speed and clarity. Adjust intensity by your baseline skill level and aim for consistent practice rather than last-minute cramming.
What key subtopics should I focus on for a Meta Software Engineer interview?
Focus on core algorithms and data structures—arrays, strings, trees, graphs, heaps, hash tables, and dynamic programming—plus complexity analysis and memory trade-offs. For mid and senior candidates, prioritize system design: APIs, data modeling, storage choices, caching, load balancing, consistency, and monitoring. Also practice writing readable, testable code and debugging under time constraints. Prepare behavioral stories that show ownership and measurable impact. Depending on the team, expect domain-specific topics like concurrency, networking, or ML basics, so align study with the role description and past interview patterns.
What standout tips and common pitfalls should I be aware of when interviewing for Meta Software Engineer roles?
Standout tips include asking clarifying questions upfront, thinking aloud as you explore solutions, structuring your approach before coding, writing clean code with simple tests, and explicitly discussing complexity and trade-offs. Use mock timed interviews and practice on the same coding environment you’ll face. Common pitfalls are diving into premature optimization, remaining silent when stuck, failing to handle edge cases, and neglecting to align design choices with stated constraints. If you encounter an AI-assisted coding round, demonstrate how you validate AI suggestions and keep ownership of the solution and reasoning throughout the session.

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