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."

"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."
Calculate Video Call Usage Metrics by Country and Date
video_calls +---------+-----------+------------+---------+----------+ | caller | recipient | ds | call_id | duration | +---------+-----------...
Analyze Conversation Engagement and Reaction Usage Effectively
messages +-----------+--------+----------+--------------+---------------------+ | messageid | sender | receiver | has_reaction | timestamp |...
Resolve Conflict and Communicate Effectively in the Workplace
Behavioral Interview Questions (Onsite — Data Scientist) Context You are interviewing onsite for a Data Scientist role. The interviewer is assessing c...
Quality and frequency control for push notifications
Push Notifications: Quality, Overload Mitigation, and Per‑User Caps Context You are a data scientist working on push notifications for a consumer app....
Determine Superiority of Model A Using Hypothesis Testing
Scenario A search feature marks a user session as a success only if both the relevancy and accuracy binary flags equal 1. Two ranking models were A/B ...
Calculate Response Rate and Compare User Survey Ratings
USERS user_id | signup_date 10 | 2024-03-20 11 | 2024-04-01 12 | 2024-04-05 SURVEYS survey_id | user_id | sent_at 1 | 10 ...
Uncover User Needs for Group Calling Effectively
Scenario You are the product analyst for a messaging platform planning to introduce a group-calling capability. You need to understand user needs, ben...
Calculate Average Session Length and Compare App Performance
user_sessions +---------+------------+------------+---------------------+---------------------+ | user_id | session_id | app | session_start ...
Analyze Group Call Adoption Using SQL Queries
CALL_LOGS | call_id | user_id | call_start | call_end | is_group_call | participant_cnt | | 101 | 12 | 2023-08-01 10:00...
Compute Shop Visibility Rate Using SQL and Python
shop_events | event_id | shop_id | user_id | event_type | event_time | | 1 | 101 | 1001 | view | 2023-07-01 10:05:00 | | ...
Develop a Restaurant-Recommendation Engine with Logistic Regression
Restaurant Recommendation Engine: Metrics, Features, Model, and Evaluation Scenario You are designing a restaurant recommendation engine for a social ...
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...
Compare Ad-Insertion Strategies: Expected Ads and Probabilities
Newsfeed Ad-Insertion Strategies You are evaluating two ways to insert ads into a user's newsfeed. Assume a user views a contiguous sequence of posts....
Design Experiment to Test New Hashtag Recommender Algorithm
Experiment Design: Testing a New Hashtag Recommendation Algorithm Context A social app shows hashtag recommendations to users while composing posts. A...
Probability a negative review came from a lazy reviewer
Bayesian posterior: Did a negative review come from a lazy reviewer? Context and assumptions - Reviewer types in the population: - Lazy reviewers: 2...
Identify Unique Callers and French Customer Call Percentage
video_calls +---------+-----------+--------------+---------------------+---------------+ | call_id | caller_id | recipient_id | start_ts | ...
Comparing two ad‑insertion strategies
Comparing Two Ad Insertion Methods: 4% Random vs Fixed 1-in-25 Context You are designing an ad insertion system. In any short time bucket or session, ...
Model Unique Recipients with Poisson Distribution and Test Fit
Modeling Unique Recipients per Caller Scenario You need to model the distribution of the count of unique recipients each caller contacts in a fixed ti...
Estimate Lift and Significance in Facebook Ad Campaigns
Measuring Conversion Lift from Facebook Ads Scenario An advertiser is running a randomized experiment on Facebook. Users are split into: - Control (un...
Describe Overcoming a Major Challenge in Your Career
Behavioral Deep-Dive (New-Grad Data Scientist, Onsite) Prompts 1. Describe a situation where you had to react very quickly. 2. Tell us about a skill y...