Meta Analytics & Experimentation Interview Questions
Practice 1,129 real Meta interview questions for 2026. Covers top categories — Coding & Algorithms, Analytics & Experimentation, Data Manipulation (SQL/Python), Behavioral & Leadership, and System Design — across Software Engineer, Data Scientist, Machine Learning Engineer, Data Engineer, and Product Manager roles. Real questions from actual interviews with detailed solutions. Expect a software-engineering-heavy loop: timed algorithmic coding (trees, arrays, graph/maze problems, delimiter/CSV parsing), system-design prompts like leaderboards, flight search and online-judge architectures, and an increasingly common AI-assisted coding round that mirrors real workflows. Data Scientist rounds emphasize product analytics and experimentation—designing tests, diagnosing spend drops and bots, evaluating unconnected content, and writing SQL for multi-account, seller, and vehicle metrics. Machine Learning Engineer questions skew toward recommender and ranking work (place and friend recommendation, sparse-matrix ops, linear-regression derivations, newsfeed dislike models). Data Engineers focus on data modeling, ETL, capacity calculations, reservations/utilization queries, and production SQL/Python tasks. For interview preparation, prioritize timed coding practice, system-design templates, rigorous SQL drills (joins/CTEs/aggregation), clear A/B-testing frameworks, and concise STAR behavioral stories tied to measurable impact.

"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."
Solve vertical order & diameter variants
Question LeetCode 314. Binary Tree Vertical Order Traversal LeetCode 543. Diameter of Binary Tree – modified to return the number of nodes (edges + 1)...
Solve classic LeetCode problems
Question LeetCode 215. Kth Largest Element in an Array LeetCode 249. Group Shifted Strings Variant of LeetCode 56. Merge Intervals extended to 2-D rec...
Solve diameter and shortest bridge problems
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Solve three LeetCode coding problems
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Design coding platform leaderboard system
System Design: Scalable Coding Platform with Live Global Leaderboard Context Design a coding challenge platform (similar to LeetCode) where users subm...
Find closest BST value and remove parentheses
Question LeetCode 270. Closest Binary Search Tree Value LeetCode 1249. Minimum Remove to Make Valid Parentheses (follow-up: achieve without using a st...
Describe a recent project you led
Behavioral Prompt: Project Leadership Walkthrough (Software Engineer) Provide a concise, end-to-end walkthrough of a recent project you led. Address t...
Design Parking for Google Maps
Design a parking-finding experience for Google Maps. Assume Google Maps wants to help drivers find parking near their destination, especially in dense...
Traverse levels selecting nodes meeting a predicate
Given the root of a binary tree and a predicate P(value) that returns true for certain node values, return a list of lists where the i-th list contain...
Solve increasing sequence and path problems
Answer the following related tasks about increasing sequences and paths: a) Contiguous subarray: Given an integer array nums, find the longest strictl...
Discuss achievements, ambiguity handling, growth, and conflict management
Behavioral & Leadership Interview Prompts (Software Engineer — Onsite) Context: You are preparing for a Software Engineer onsite behavioral and leader...
Solve two string algorithm tasks
Answer both parts. A) Parentheses correction: Given a string s consisting only of '(' and ')', output the minimum number of parentheses you must inser...
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 maximum possible value. Return the resulti...
Implement weighted random index picker
Design a class WeightedPicker that is initialized with an array of positive integer weights w and supports pick() that returns an index i with probabi...
Evaluate Chatbot Launch: Value, Risks, Impact, Success Metrics
Case: Launching a Retailer-Facing Chatbot for End-Customer Support Context (completed) You are evaluating whether to launch a chatbot that retailers c...
Analyzing abuse in the content‑reporting system
Scenario: Measuring Valid Reports and Detecting Abuse in a Reporting System Context and Assumptions We analyze a user reporting system to understand: ...
Annotating and forecasting a long‑tail distribution
Scenario You are analyzing daily share counts across many pages on a social platform. The cross-sectional distribution of per-page shares on any given...
Evaluate Metrics for Restaurant-Feature Impact and Engagement Trade-offs
Product Analytics Case: Restaurant Recommendations vs. New-Friend Suggestions Background You are a data scientist at a large social app. The app launc...
Assessing whether a new metric A is meaningful for News Feed
Evaluating a Proposed Proxy Metric for News Feed Context A partner team proposes a new proxy metric, metric A, intended to capture "meaningful interac...
Interpreting metrics when autoplay videos reduce time‑spent but increase DAU
Autoplay Snippets: Time‑Spent Down, DAU Up — Explain and Test Context You are analyzing an A/B test where short autoplay video previews were enabled i...