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.

617 Questions 1 Company07.06.2026
Showing 20 results
Role
Meta logo
Meta
Medium
Data Scientist

Analyzing abuse in the content‑reporting system

Measuring Valid Reports and Detecting Abuse in a Reporting System Analyze a user reporting system over a 30-day window. The schema is: reports(report_...

Analytics & Experimentation
12
0
35 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Assessing whether a new metric A is meaningful for News Feed

Evaluating a Proposed Proxy Metric for News Feed A partner team proposes metric A as a proxy for "meaningful interactions" in News Feed. Before adopti...

Analytics & Experimentation
28
0
88 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Building a restaurant‑recommendation feature with Nearby Friends signals

Real-time Nearby Eateries Recommendation Meta wants to leverage real-time, opt-in location from Nearby Friends to recommend nearby eateries users migh...

Analytics & Experimentation
70
0
196 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Evaluating Instagram’s one‑tap account switcher

Instagram One-tap Account Switcher: Identity, Behavior, and Risk Product teams shipped an in-app one-tap account switcher to help creators and power u...

Analytics & Experimentation
77
0
278 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Features for Effective Hashtag Recommendations

Hashtag Recommendation System Design You are designing a hashtag recommendation system for a social-media platform. Given a user composing post conten...

Machine Learning
105
1
279 people solved
Jul 12, 2025
Meta logo
Meta
Easy
Data Scientist

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. A user views a contiguous sequence of posts. - Stra...

Statistics & Math
37
0
134 people solved
Jul 12, 2025
Meta logo
Meta
Easy
Data Scientist

Explain Central Limit Theorem's Importance in A/B Testing

Explain the Central Limit Theorem's Importance in A/B Testing This statistics prompt asks you to state the Central Limit Theorem, explain why it matte...

Statistics & Math
16
0
65 people solved
Jul 12, 2025
Meta logo
Meta
Easy
Data Scientist

Calculate Posterior Probability of Flagged User Being Bad Actor

Calculate Posterior Probability of a Flagged User Being a Bad Actor A platform runs a binary classifier that flags users who might be bad actors. You ...

Statistics & Math
107
1
273 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Design Experiment to Evaluate New Video-Ad Effectiveness

Design an Experiment to Evaluate New Video-Ad Effectiveness A large consumer app is considering a new video-ad format with changes to UI, creative ren...

Analytics & Experimentation
83
0
43 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Evaluate Social Media's Brand Advertising Effectiveness

Evaluate Social Media's Brand Advertising Effectiveness A retailer runs both direct-response ads and brand-awareness ads. Leadership suspects social-m...

Analytics & Experimentation
77
0
192 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Design "Restaurants You May Know" Recommendation Algorithm

Design "Restaurants You May Know" Recommendation Algorithm A food-delivery app wants to launch a personalized home-page module called "Restaurants You...

Analytics & Experimentation
36
0
129 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Evaluate Messenger's P2P Payments Feature for Business Viability

Evaluate Messenger's P2P Payments Feature for Business Viability Facebook Messenger is considering launching a Venmo-like peer-to-peer money transfer ...

Analytics & Experimentation
85
0
251 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Analyze User Comment Distribution and Sampling Effects

Analyze User Comment Distribution and Sampling Effects You are analyzing daily comment counts per user. The individual user-level distribution is righ...

Statistics & Math
116
3
360 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Design and Validate Initial Restaurant Recommendation Model

Design and Validate an Initial Restaurant Recommendation Model You are designing a first-iteration machine-learning model to recommend restaurants to ...

Machine Learning
29
0
112 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Metrics to Evaluate Notification Impact on Users

Determine Metrics to Evaluate Notification Impact on Users Facebook sends several types of push notifications and is considering a new notification th...

Analytics & Experimentation
14
0
43 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Superiority of Model A Using Hypothesis Testing

Hypothesis Test: Is Model A Better Than Model B? A search feature marks a session as successful only when both relevancy and accuracy binary flags equ...

Statistics & Math
26
0
103 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Define Success Metrics for Euro-Chat Customer-Service Chatbot

Success Metrics for the Euro-Chat Customer-Service Chatbot An e-commerce company deploys a customer-service chatbot called euro-chat to handle B2C sup...

Analytics & Experimentation
18
0
40 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Explore Behavioral Growth and Adaptability in Data Science.

Behavioral Deep-Dive: Growth, Agility, Cross-Team Support, and Inclusion You are in a behavioral and leadership round for a Data Scientist role. The i...

Behavioral & Leadership
113
0
384 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate Expected Meetings in Randomly Assigned Rooms

Expected Meetings in Randomly Assigned Rooms You are solving two probability questions about room occupancy. Constraints & Assumptions - In the first ...

Statistics & Math
85
0
242 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate Ad Insertion Statistics for Two Methods

Ad Insertion Statistics for Two Feed Strategies You are comparing two ways of inserting ads into a 100-post feed. - Option A: Each post independently ...

Statistics & Math
73
0
80 people solved
Jul 12, 2025
Editorial prep
Meta Data Scientist Interview Prep
Concept walkthroughs, worked examples, and the real questions.

Frequently Asked Questions

How difficult are Meta Data Scientist interview questions?
Meta Data Scientist interviews are typically challenging because they test both depth and breadth: technical fluency, statistical thinking, product intuition, and clear communication. Expect medium-to-hard SQL and coding problems alongside statistics and experiment-design questions that probe conceptual understanding rather than rote formulas. Senior roles add system and measurement tradeoff discussions and leadership expectations. Interviewers evaluate correctness, clarity, assumptions, and business impact, so partial solutions can still score well if you surface limitations and next steps. Preparation should emphasize translating technical results into actionable product recommendations as much as solving the raw problem.
What is the typical Meta Data Scientist interview process and where does each topic show up?
The Meta Data Scientist process usually begins with a recruiter screen, moves to a technical screening (live SQL/Python or a take-home), and then a multi-round onsite or virtual loop of four to five interviews. SQL and data-manipulation tasks appear in screening and the analytics rounds. Experiment design and statistics show up in research-design and metrics interviews. Product-sense rounds evaluate metric selection, tradeoffs, and impact. Behavioral rounds probe collaboration, ownership, and influence. Coding or algorithmic questions may appear depending on role level, and senior interviews emphasize scaling, measurement validity, and cross-functional leadership.
How long should I prepare for Meta Data Scientist interviews and what should a timeline look like?
A focused preparation timeline of six to eight weeks often works well for experienced candidates, with longer ramps for those switching fields. Start by solidifying core SQL and Python skills and practicing timed problems, then layer in statistics, experiment design, and product-case practice. Midway, incorporate mock interviews and full-length loops to practice pacing, storytelling, and translating analyses to impact. In the final weeks, refine STAR behavioral stories, review past projects with clear metrics, and run targeted drills on weak spots. Regular feedback and simulated interview conditions dramatically improve interview-day composure and clarity.
What are the key subtopics I must master for a Meta Data Scientist role?
You should be fluent in SQL fundamentals—joins, aggregations, window functions, CTEs, NULL behaviour, and the difference between WHERE and HAVING—along with performance-aware query design. In statistics, master hypothesis testing, confidence intervals, power, bias versus variance, and common pitfalls in A/B testing and metric validity. Analytical skills include metric design, segmentation, funnel analysis, and root-cause diagnosis. Practical Python for data manipulation, clear code and algorithmic complexity intuition are useful. For senior roles, add measurement platforms, data pipelines, causal inference principles, and communicating tradeoffs to product and engineering partners.
What standout tips and common pitfalls should I know for Meta interviews?
Standout performance combines rigorous answers with business context: always state assumptions, define the metric you would optimize, and conclude with clear product recommendations. Verbally outline your plan before coding or analysis and validate edge cases and data limitations. Use concise STAR stories that quantify impact. Common pitfalls include failing to tie analysis back to user or business outcomes, ignoring confounders in experiments, overengineering solutions when a simple metric change suffices, and poor communication under time pressure. Practicing paced mock interviews and seeking targeted feedback on clarity and tradeoff discussion will mitigate these risks.

Explore more Meta Data Scientist interview questions

Real questions from candidate reports, grouped by topic, role and company.

By category
Other roles at Meta
Data Scientist questions at other companies
Browse all