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Meta Software Engineer Onsite Coding Questions

535+ questions from real Meta Software Engineer Onsite Coding rounds, reported by candidates who interviewed there.

535
Questions
8
Topic Areas
10+
Sources

What does the Meta Onsite Coding round test?

The Meta onsite coding round is the core technical evaluation. Software Engineer candidates typically see 2-3 algorithm and data structure problems. Problems range from medium to hard difficulty, and interviewers evaluate both correctness and code quality.

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Meta Software Engineer Onsite Coding Questions

2026 New Grad Recap

Career,New Grad,Job Search,Interview Process 2026

How was new grad 26 recruiting for everyone? Was fortunate enough to have a return offer, but none of my new grad interviews/onsites converted to an offer, which I thought was shocking since I probabl

I have a Meta onsite in a few days, but a family emergency just derailed my prep and mental headspace. Does rescheduling hurt my chances or risk the headcount being filled before I can interview? I’d

No doubt I liked solving those leetcode/codeforces problems. I am just wondering if is it worthy to grind for some competition. Will it be nice addition to my resume?

Update(02/13/2025) Jesus christ! I actually got an offer in this morning like WTF!!!!!!!!!. This is soooo unexpected and I feel so grateful!!! Thank you guys for your support and encouragement! I'll a

August 1st: Headhunter invitation August 12th: Store interview (one easy, one medium-high frequency question) August 13th: Arranged in Anse September 12th: Anse (four medium-high frequency questions,

Meta E5 Software Engineer Coding Interview Sliding Window Substring

Coding,Strings,Sliding Window,Hash Table,Two Pointers 2026

👋Hi everyone, just sharing since this community helped me a lot Meta has always been my dream company. I felt so stressed and couldn't sleep the night before. During the interview, I was running on 4

Meta SWE Infrastructure Full Loop Interview 5 YOE

System Design,Interview Structure 2026

I recently cleared phone screen and have been asked to schedule full loop. I can see 2 system design rounds, 1 coding, 1 AI coding and 1 Behavioural round. In my experience E4/E5 has 4 rounds in full

Just got an email to schedule my onsite after completing tech screening rounds **5 days ago** (Meta E4 Production Engineer, USA). Should I book it **as soon as possible** (next week) or is **2-3 weeks

Will background check flag this

Career,Background Check 2026

I was let go at meta and my last actual day on contract was Feb 24. I applied to a different company on March 8th but had meta as current job on resume. I finally got accepted at a new job but still w

Meta Software Development Engineer Onsite Interview Experience and Team Match Inquiry

Onsite,Coding,System Design,Behavioral,Binary Tree,Arrays,Two Pointers 2025

This was my first interview at Amazon, a company whose name literally means "squid factory" (meaning small, unreliable, and often unreliable). However, the experience was surprisingly good. The engine

Meta Onsite SDE Interview Experience and Insights

Onsite,Coding,System Design,Behavioral,Graph,Heap,Sorting,Bfs 2025

Freshly baked VO Coding: Yier's uncle, Liu Baling. Interviewer: ABC guy, obviously easygoing, should have passed this round. System Design: Indian girl. Design: Top K personal music taste ranking. I s

Sharing the coding round challenges: I was worried this would be a hard challenge, but surprisingly, they were all very simple, high-frequency medium challenges. I worked through the top 100 most freq

Meta Frontend Engineer E4 Onsite Interview Experience

Onsite,Frontend,System Design,Rejection 2025

All questions from leetcode past 30 days. Surprised that they're so lazy. Product Architecture Design - Very frontend focused, blackbox all of backend. Thought I did pretty well but got rejected, oh w

Sharing a recent virtual interview session, hoping to accumulate good karma. Good luck everyone in your interviews! Following the process: 1. Coding - Bait Lingqi + Bait Xianlu 2. System Design - Drop

Meta E5 Product Onsite Interview Experience (U.S.)

Phone Screen,Onsite,Coding,System Design,Behavioral,Binary Tree,Strings,Math 2025

**Phone Screen** * **[Binary Tree Vertical Order Traversal](https://leetcode.com/problems/binary-tree-vertical-order-traversal):** Return the vertical order traversal of a binary tree's nodes. * **[Mi

Meta AI SWE Product Onsite AI Coding Round Interview Experience

Onsite,Ai Coding,System Design,Behavioral,Np Complete,Debugging 2025

**Role:** SWE Product (Primary location: Menlo Park; limited availability in NYC) **Onsite Interview Structure** * 1 AI Coding Round * 1 Standard Coding Round (Algorithmic/LeetCode style) * 1 System D

Meta Onsite SWE Product Coding Interview Experience USA 2024

Onsite,Coding,Binary Tree,Bfs,Sorting,Graph 2025

**Role:** SWE Product **Type:** Non-AI Onsite Coding ### Question 1: Binary Tree Column Traversal **Problem Statement:** Given a binary tree (not a Binary Search Tree), perform a traversal that prints

Meta Full Loop Software Engineer Interview Experience September–October 2025

Dsa,Ai Coding,System Design,Behavioral,Onsite,Full Loop,Strings,Stack,Lru Cache 2025

**Candidate Profile** **Education:** IIT Kanpur **Experience:** 2.5+ years full-time at a product-based startup **Internships:** 8 months total **Phase 1: Elimination Stage** * **Problem:** The screen

I just completed my Meta onsite interviews with two coding rounds. Here\'s how they went: Question 1: Find the number of connections needed to connect all computers. Input: [[a,b],[b,c],[d,e]] Output: 1 Solution: Solved this...

So I just finished my coding interviews with meta and first round the questions were 2 mediums top 100 tagged and I solved both optimally and was able to verify....

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