Meta Data Scientist Interview Questions
Meta’s Data Scientist interviews target candidates who can turn large-scale product data into clear, measurable product decisions. Expect a blend of technical and product-focused assessments: Meta Data Scientist interview questions often probe SQL and Python data manipulation, statistical inference and A/B test design, metric definition and instrumentation, and product sense around engagement and growth. Distinctive to Meta is the emphasis on scale, experimentation, and the ability to communicate actionable insights to engineers and product managers; interviewers typically evaluate both analytical rigor and storytelling clarity. The process usually begins with a recruiter screen, moves to one or more technical screens (coding/SQL plus a product or metrics case), and culminates in a loop of interviews that combine analytics, research-design, and behavioral rounds. For effective interview preparation, prioritize timed practice on data manipulation problems, refresh hypothesis testing and power intuition, rehearse product-metric case studies aloud, and craft concise STAR stories that emphasize measurable impact. Complement technical practice with mock interviews and clear explanations of tradeoffs so you can translate analyses into product recommendations under time pressure.

"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."

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"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."
Identify User Interest in Group Video Calls Using Data
Group Video-Calling Feature Analysis Context You are asked to design, launch, and analyze a new group video-calling feature for a large social/messagi...
Analyze Hashtag Follow Behavior with SQL Queries
following_behavior +------------+---------+-----------+---------------+ | date | user_id | hashtag_id| hashtag_source| +------------+---------+-...
Evaluate Impact of Targeting Ads to High-Intent Users
Ad Allocation to High-Intent Users Only Scenario A product manager proposes allocating all ad impressions to the "high-intent" user segment (users pre...
Describe Handling Cross-Functional Projects and Changing Priorities
Behavioral & Leadership: Cross-Functional Impact, Feedback, Conflict, Reprioritization Context: You are interviewing for a Data Scientist role. The in...
Determining the optimal ad load in News Feed
Scenario: Balancing Monetization and User Experience You are asked to set a data-driven threshold for ad frequency ("ad load" = number of ads shown pe...
Resolve Conflicts and Clarify Goals in Data Projects
Behavioral Interview Prompts for Data Roles Scenario You are interviewing onsite for a data-focused role. The interviewer is assessing collaboration, ...
Evaluate a new-listing notification feature
A marketplace team is considering a new buyer notification feature that alerts users when newly created listings matching their interests become avail...
Describe resolving conflict and welcoming others
Answer the following behavioral questions with specific examples: 1. How do you make other people feel welcome or included on a team? - Especially ...
Define hand-waving accuracy and launch decision
Context You work on a VR product that introduces a new interaction feature called hand waving (the system detects when a user is waving their hand and...
Analyze advertiser spend by source
You are given two tables: advertisers - advertiser_id BIGINT - advertiser_type VARCHAR — examples: smb, enterprise, agency, internal - status VARCHAR ...
Compute time-spent percentage by app category
You work on Oculus app engagement analytics. Tables user_activity - user_id (BIGINT) - date (DATE) — day of activity (assume UTC) - app_id (INT) - ses...
Find the most-used app
You work on Oculus app engagement analytics. Tables user_activity - user_id (BIGINT) - date (DATE) — day of activity (assume UTC unless otherwise spec...
How would you evaluate a new ads ranking algorithm?
Context You work at a social network company with an ads marketplace. The company has an existing ads ranking algorithm currently used to select and o...
How would you measure shop-ads promotion success?
Context You work on an ads ranking/serving system for an e-commerce product. A new ads algorithm is intended to promote “shop ads” (ads that drive use...
Describe something you did to be inclusive
Behavioral: Inclusiveness Tell me about a time you did something to make your team or workplace more inclusive. Please cover: - The context and who wa...
Design metrics to detect harmful content and fraud
Analytics case: harmful content / fraud detection You are on a social platform that must reduce harmful content (e.g., scams, misinformation, harassme...
Define Success Metrics for Circle Feature Evaluation
Scenario Measuring success and allocating resources for a new "Circle" posting feature in a social app. Circle lets a creator share posts with a small...
Determine Top Advertisers by Conversion Rate and CTR Analysis
ads +-------+---------------+------------+ | ad_id | advertiser_id | created_at | +-------+---------------+------------+ | 1 | 101 | 202...
Master Behavioral Interview Questions for Data/ML Roles
Behavioral & Leadership Interview (Data Scientist Onsite) Context You are preparing for an onsite behavioral interview for a Data Scientist role. Use ...
Evaluate Instagram Shopping Tab Success with Key Metrics
Instagram Shopping Tab: Post-Launch Evaluation and Sizing Context You are evaluating the success of a new Instagram Shopping Tab after launch. The goa...