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.

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
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...
Compute product of array except self
Given an integer array nums, return an array out where out[i] equals the product of all elements in nums except nums[i]. Do it in O(n) time using cons...
Merge overlapping time intervals
Problem You are given a list of closed intervals intervals, where each interval is [start, end] and start <= end. Merge all intervals that overlap and...
Design a Netflix-like video streaming service
This question evaluates competency in designing large-scale streaming platforms, focusing on distributed systems, content storage and encoding pipelin...
Sum numbers formed by root-to-leaf paths
You are given the root of a binary tree where each node contains a single digit from 0 to 9. Each root-to-leaf path represents a number obtained by co...
Implement string and basic ML algorithms
You are given three implementation tasks that mix algorithms and basic machine learning models. --- Task 1: Longest substring with all distinct charac...
Explain key ML metrics and techniques
You are asked a set of short conceptual machine learning questions. 1. Confusion matrix and metrics For a binary classification problem: - Def...
Design a time-versioned key-value store and find common free time
You are given two coding tasks. Task 1: Time-versioned key-value store Design an in-memory data structure that supports: - set(key, value, timestamp):...
Design an Instagram-like auction platform
This question evaluates expertise in large-scale system design, including distributed systems, data modeling, real-time messaging, consistency models,...
Implement several string, tree, and BFS problems
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Solve common array/string/linked-list tasks
You may be asked one or more of the following independent coding tasks. For each task, implement an efficient algorithm and clearly state time/space c...
Design structure for top-K frequent elements
You are working with a large collection of items represented by integer IDs (e.g., product IDs, user IDs, etc.). Updates and queries arrive over time....
Find shortest substring with N unique characters
You are given a string s and an integer n. Find the shortest contiguous substring of s that contains exactly n distinct characters. If there is no suc...
Design ticketing and coding practice platforms
You are asked two separate system design questions. --- 1. Design an online event ticketing platform (like Ticketmaster) Design a large-scale web serv...
Answer common behavioral prompts
You are asked several behavioral questions. Answer each with a concrete example from your experience (use STAR: Situation, Task, Action, Result), and ...
Answer conflict, ambiguity, feedback, difficult coworker prompts
Prepare behavioral answers for these prompts: 1) Describe a time you had a conflict with your manager. How did you resolve it? 2) Describe a project w...
Design a real-time ad impression aggregator
Design an ads impression aggregator service with the following requirements: - The system ingests a high-volume stream of impression events (each even...
Find shortest path and compare BFS vs DFS
Given an unweighted graph (directed or undirected), explain how to find the shortest path between two nodes without writing code. Describe the algorit...
Demonstrate communication and teamwork
Behavioral and Communication Interview (Software Engineer Onsite) Context: You are a software engineering candidate. Answer concisely using STAR (Situ...
Solve four data structure and algorithms tasks
1) Print the numbers at each level of a binary tree. Given the root, output the values level-by-level (each level on a new line or as a list of lists)...