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

Write dating profile report with final reviews

Today is 2025-09-01. You need a daily dating-profile quality and engagement report that only includes profiles whose latest version has a final approv...

Data Manipulation (SQL/Python)
8
0
54 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Write SQL filtering, grouping, CASE, UNION tasks

Use the following schema and sample data to answer all parts. Assume standard ANSI SQL and that amounts are DECIMAL. Table: orders +----------+-------...

Data Manipulation (SQL/Python)
0
0
5 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Reduce variance with covariate adjustment

Experiment Design and CUPED/Regression Adjustment You are running a randomized A/B test with outcome Y. You also have a pre-period covariate X (measur...

Analytics & Experimentation
4
0
53 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist

Design experiments under network interference

A/B Test Design for Search-Ranking in a Two-Sided Marketplace with Interference Context You need to evaluate a change to the search-ranking algorithm ...

Analytics & Experimentation
4
0
30 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Build DiD dataset with SQL

Using the schema and sample data below, write SQL to build an individual-day panel suitable for staggered-adoption DiD of the shuttle’s effect on part...

Data Manipulation (SQL/Python)
4
0
56 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Design and analyze a group-calls experiment

You are considering launching Group Video Calls. Answer all parts precisely; justify choices with pros/cons and formulas where relevant. 1) Clarify CT...

Analytics & Experimentation
2
0
33 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Evaluate brand ads effectiveness on social media causally

Hypothesis: 'Social media (e.g., Facebook) is not effective for brand advertising compared with other channels.' You have historical multi-channel dat...

Analytics & Experimentation
2
0
46 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Write SQL to analyze group-call concurrency

You are given call data and must compute group-call metrics. Schema (timestamps are UTC): Tables: - calls(call_id INT PRIMARY KEY, host_user_id INT, s...

Data Manipulation (SQL/Python)
1
0
9 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Characterize and compare transfer-count distributions over time

P2P Transfer Counts in First 30 Days: Distribution, Summaries, and Evolution Context: For a new user cohort, define X as each user’s number of peer-to...

Statistics & Math
9
0
69 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Analyze ad targeting expectations and distributions

Ads Profit, Variance Decomposition, and Exponential Timing Context: You run an ad slot with two user segments. On each eligible page view (impression ...

Statistics & Math
11
0
75 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate survey response and quality metrics in SQL

Compute survey response-rate and quality metrics from event data. Assume "today" = 2025-09-01, and compute over the last 7 days (2025-08-26 to 2025-09...

Data Manipulation (SQL/Python)
0
0
7 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Define and compute shop visibility in SQL

You own the 'shop visibility' KPI for a marketplace. Define a precise metric and write SQL to compute it over the last 7 days (use today = 2025-09-01,...

Data Manipulation (SQL/Python)
6
0
64 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Write SQL to compare exclusive category engagement

You are given session-level data and must compare engagement between users who exclusively used the 'social' category versus those who exclusively use...

Data Manipulation (SQL/Python)
0
0
4 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist Locked

Increase posts receiving one comment

This question evaluates a data scientist's competency in product analytics and experimentation, specifically metric definition and guardrails, segment...

Analytics & Experimentation
2
0
46 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Set the Group Call participant cap

We must set a maximum participants cap K for Group Calls. You have telemetry at the call level: calls(call_id, start_ts, participants_count, video_on_...

Statistics & Math
2
0
37 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Write SQL for shop visibility and activity metric

Assume 'today' is 2025-09-01. Schema and tiny samples: 1) shops(shop_id INT, created_at DATE) Sample: shop_id | created_at 1 | 2025-08-25 2 | 2025...

Data Manipulation (SQL/Python)
0
0
6 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Compute unread and multi-account user percentages

You’re given two tables. Write ANSI-SQL to answer parts (a)–(d). Treat a notification as unread if read_at IS NULL. Denominator for user-level percent...

Data Manipulation (SQL/Python)
13
0
82 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Compute survey rates and bias-correct ratings

Today is 2025-09-01. Use the schema and sample data below to answer A and B with SQL (standard SQL; you may use CTEs and window functions). Assume tim...

Data Manipulation (SQL/Python)
3
0
55 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist Locked

Measure and mitigate notification spam

This question evaluates a data scientist's competency in defining precise success and guardrail metrics, designing counterfactual-aware experiments an...

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

Write SQL for hashtag analytics and joins

Assume today = 2025-09-01. Schema and small sample data are below. Use ANSI SQL; explain any dialect-specific functions you choose. Where asked, expla...

Data Manipulation (SQL/Python)
1
0
2 people solved
Oct 13, 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