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
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Meta
Medium
Software Engineer

Solve UTF-8 Validation & Shortest Path

Question LeetCode 393. UTF-8 Validation LeetCode 1091. Shortest Path in Binary Matrix https://leetcode.com/problems/utf-8-validation/description/ http...

Coding & Algorithms
2
0
37 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Software Engineer

Solve weighted pick and product except self

Question LeetCode 528. Random Pick with Weight LeetCode 238. Product of Array Except Self https://leetcode.com/problems/random-pick-with-weight/descri...

Coding & Algorithms
5
0
36 people solved
Aug 4, 2025
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Meta
Medium
Software Engineer

Implement paginated, sortable dynamic table component

Implement paginated, sortable dynamic table component React Table Component: Pagination, Sorting, Dynamic Columns Context You are building a reusable ...

System Design
2
0
46 people solved
Aug 4, 2025
Meta logo
Meta
Hard
Software Engineer

Implement, Debug, and Optimize a React Table

Implement, Debug, and Optimize a React Table React Table Component — Design, Implementation, and Performance Context: You are building a reusable Reac...

Software Engineering Fundamentals
7
0
60 people solved
Aug 1, 2025
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Meta
Medium
Software Engineer

Solve PTO window and sparse unique counting

Solve PTO window and sparse unique counting Design algorithms for two problems: A) Longest vacation with limited PTO: Given an array A of characters w...

Coding & Algorithms
2
0
38 people solved
Aug 1, 2025
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Meta
Medium
Software Engineer

Solve three LeetCode coding problems

Question LeetCode 1249. Minimum Remove to Make Valid Parentheses LeetCode 827. Making A Large Island LeetCode 199. Binary Tree Right Side View https:/...

Coding & Algorithms
8
0
25 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Find integer in most intervals

Question Given N integer intervals [ai, bi] (positive integers), find an integer that belongs to the maximum number of intervals (return any such inte...

Coding & Algorithms
7
0
19 people solved
Jul 29, 2025
Meta logo
Meta
Hard
Software Engineer

Design searchable status & geolocation services

Design searchable status & geolocation services System Design: Searchable Short-Form Status Updates with Nearby Search Context Design a microblogging ...

System Design
7
0
49 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Solve island connectivity and string multiplication

Question Given N distinct islands (e.g., a, b, c…) and a list of existing undirected paths between them, compute the minimum number of additional path...

Coding & Algorithms
11
0
51 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Solve island and frequency problems

Question LeetCode 200. Number of Islands – given a 2D grid, count the number of connected islands of '1's using DFS/BFS/Union-Find. LeetCode 695. Max ...

Coding & Algorithms
41
0
67 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Solve diverse LeetCode algorithm problems

Question LeetCode 695. Max Area of Island LeetCode 380. Insert Delete GetRandom O( 1) LeetCode 19. Remove Nth Node From End of List LeetCode 1004. Max...

Coding & Algorithms
3
0
14 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Implement right side view and local minimum search

Question LeetCode 199. Binary Tree Right Side View — Given the root of a binary tree, return the values of the nodes you can see ordered from top to b...

Coding & Algorithms
29
0
79 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Describe a recent project you led

Describe a recent project you led Behavioral Prompt: Project Leadership Walkthrough (Software Engineer) Provide a concise, end-to-end walkthrough of a...

Behavioral & Leadership
2
0
31 people solved
Jul 29, 2025
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Meta
Medium
Software Engineer

Evaluate expression without stack, constant space

Evaluate expression without stack, constant space Given a string s representing a valid arithmetic expression of non-negative integers, the operators ...

Coding & Algorithms
2
0
39 people solved
Jul 27, 2025
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Meta
Medium
Software Engineer

Solve increasing sequence and path problems

Solve increasing sequence and path problems Answer the following related tasks about increasing sequences and paths: a) Contiguous subarray: Given an ...

Coding & Algorithms
3
0
28 people solved
Jul 26, 2025
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Meta
Medium
Software Engineer

Solve binary tree, grid, and heap tasks

Solve binary tree, grid, and heap tasks Answer the following independent coding tasks: 1) Range sum in a BST: Given the root of a binary search tree a...

Coding & Algorithms
3
0
31 people solved
Jul 17, 2025
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Meta
Medium
Software Engineer

Solve tree traversal and two-pointer problems

Solve tree traversal and two-pointer problems Implement the following independent problems: 1) Vertical columns: Given a binary tree, return lists of ...

Coding & Algorithms
3
0
40 people solved
Jul 15, 2025
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Meta
Medium
Software Engineer

Copy linked list with random pointers efficiently

Copy linked list with random pointers efficiently Given the head of a singly linked list where each node has next and random pointers, create a deep c...

Coding & Algorithms
1
0
31 people solved
Jul 15, 2025
Meta logo
Meta
Medium
Software Engineer

Merge two sorted arrays in-place

Merge two sorted arrays in-place You are given two sorted integer arrays nums1 and nums2, both sorted in non-decreasing order. - nums1 has length m + ...

Coding & Algorithms
3
0
42 people solved
Jul 15, 2025
Meta logo
Meta
Medium
Software Engineer

Maximize number with one digit swap

Maximize number with one digit swap Given a non-negative integer n (as an int or string), perform at most one swap of two digits to produce the maximu...

Coding & Algorithms
2
0
31 people solved
Jul 15, 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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