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
Hard
Data Scientist

Communicate trade-offs and influence launch

Product Experiment Trade‑off: Notifications for Multi‑Account Users Context You ran an experiment on notification delivery to users who often maintain...

Behavioral & Leadership
1
0
30 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist Locked

Design and analyze notification pinning experiment

This question evaluates experimental design, causal inference, metric definition and instrumentation, sample size estimation, and analysis skills in t...

Analytics & Experimentation
1
0
23 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist

Design Messenger spam experiment with clustering

Experiment Design: Spam-Detection Algorithm for Messenger You are evaluating a new spam-detection algorithm that routes suspected spam into a separate...

Analytics & Experimentation
3
0
43 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist Locked

Evaluate fake accounts and ad creation

This question evaluates a data scientist's competencies in measurement and experimentation, covering prevalence estimation and detection system evalua...

Analytics & Experimentation
2
0
42 people solved
Feb 9, 2026
Meta logo
Meta
Medium
Data Scientist

Posts and Replies Engagement

Posts and Replies Engagement A content platform stores user-generated posts and the replies that those posts receive. You need to answer two questions...

Data Manipulation (SQL/Python)
0
0
8 people solved
Feb 1, 2026
Meta logo
Meta
Medium
Data Scientist

Assess ranking change and design experiment

A multi-account product currently orders a user's accounts by most recent visit. The product team wants to change the ranking so that accounts with th...

Analytics & Experimentation
3
0
46 people solved
Jan 21, 2026
Meta logo
Meta
Medium
Data Scientist

Find multi-account buckets and unread rate

You are analyzing a product in which one user can own multiple accounts. Use the following schema: Table: accounts - account_id BIGINT - user_id BIGIN...

Data Manipulation (SQL/Python)
6
1
31 people solved
Jan 21, 2026
Meta logo
Meta
Medium
Data Scientist

Write SQL for Pixel Signal Metrics

You are working on Meta Ads Pixel analytics. Assume all timestamps are stored in UTC, and analyze the last 30 complete calendar days. Tables 1. advert...

Data Manipulation (SQL/Python)
4
0
56 people solved
Jan 20, 2026
Meta logo
Meta
Medium
Data Scientist

[Analytical Reasoning] Comparing Two Newsfeed Ad Insertion Methods

Compare two ad-insertion methods for a 100-post newsfeed. Both methods have the same average ad load. - Method A: each post is independently replaced ...

Analytics & Experimentation
18
0
78 people solved
Apr 7, 2025
Meta logo
Meta
Easy
Data ScientistSenior+ Locked

Design metrics to detect harmful content and fraud

This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a rea...

Analytics & Experimentation
3
0
30 people solved
Aug 5, 2025
Meta logo
Meta
Hard
Data Scientist

Quantify Latent Demand for Group Video Calling Feature

Quantify Latent Demand for Group Video Calling Feature Scenario A consumer messaging app is preparing to launch group video calling. You have access t...

Analytics & Experimentation
3
0
25 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate and Compare Survey Response Rates for User Tenure

Surveys +--------+------------+--------------+----------+ | userid | date | survey_event | response | +--------+------------+--------------+----...

Data Manipulation (SQL/Python)
1
0
12 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Influence Stakeholders for Product Decision at Meta

Influence Stakeholders for Product Decision at Meta Behavioral: Influencing Stakeholders To Drive a Product Decision Scenario Cross-functional product...

Behavioral & Leadership
4
0
35 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Design A/B Test to Evaluate New Video-Feed Feature

Design A/B Test to Evaluate New Video-Feed Feature Scenario A consumer social-media app is launching a short‑video feed (TikTok-style). A newly added ...

Analytics & Experimentation
2
0
28 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Analyze Seller Activity and Vehicle Listing Interactions

Analyze Seller Activity and Vehicle Listing Interactions listing_interaction +-----------+-----------+------------+------------+----+ | buyer_id | se...

Data Manipulation (SQL/Python)
5
0
44 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Identify Probability of Request Originating from Bad User

Identify Probability of Request Originating from Bad User Measuring Abuse in Friend-Requests: Bayes, Identification, and Precision Scenario A social-n...

Statistics & Math
5
0
35 people solved
Aug 4, 2025
Meta logo
Meta
Hard
Data Scientist

Determine User Demand for New Video-Calling Feature

Determine User Demand for New Video-Calling Feature Analytics Design: Demand Sizing, Evaluation Metrics, and Trade-offs for a New Video-Calling Featur...

Analytics & Experimentation
4
0
31 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Success Metrics for Instagram Video-Call Feature

Determine Success Metrics for Instagram Video-Call Feature Instagram Group Video-Call MVP: Defining Success and Metrics Context You are the data scien...

Analytics & Experimentation
3
0
27 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Detect and Reduce Spammy Friend Requests Effectively

Detect and Reduce Spammy Friend Requests Effectively Detecting Spammy Friend Requests Context Assume a consumer social platform where users can send f...

Machine Learning
2
0
26 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Data Scientist

Analyze Mobile Promo Orders with SQL Query and Metrics

orders +-----------+---------+--------------+------------+-----------+----------+ | order_id | user_id | order_amount | order_date | is_mobile | is_p...

Data Manipulation (SQL/Python)
2
0
11 people solved
Aug 4, 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