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 Locked

Identify latent group-call demand from behavior

This question evaluates a data scientist's ability to design measurable product-analytics signals, infer latent user demand from event-level messaging...

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

Write SQL for social feed metrics and ties

You are given the following schema (PostgreSQL) and sample rows. Assume UTC timestamps and that friendships are static over the sample window. users(u...

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

Justify building a new feature with evidence

Case Prompt: 10-Minute Go/No-Go Recommendation for a New Feature You are the data science lead supporting a large-scale consumer messaging product. Yo...

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

Resolve cross-team conflict and align incentives

Behavioral & Leadership: Cross-Team Conflict With Tight Timeline You are a Data Scientist interviewing for an onsite role. Describe a realistic cross-...

Behavioral & Leadership
3
0
34 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Learn complex topic fast under deadline

Behavioral Prompt: Rapid Ramp-Up on a New Analytical Framework You had to learn a new analytical framework in under a week to deliver a high-stakes re...

Behavioral & Leadership
2
0
24 people solved
Oct 13, 2025
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Meta
Hard
Data Scientist

Resolve teammate feeling unwelcome with measurable steps

Behavioral Scenario: Psychological Safety Concern Within a Subgroup You are a senior individual contributor or team lead on a remote-first data team. ...

Behavioral & Leadership
6
0
51 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Compute multi-account activity and unread percentages in SQL

You are given two tables. Use them as the source of truth and do not assume any other data. Table: notifications +--------+------------+------------+-...

Data Manipulation (SQL/Python)
2
0
25 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist

Design metrics and geo A/B for new feature

Marketplace Experiment: Verified Seller Badges Context: You are evaluating a new Marketplace feature, Verified Seller Badges, designed to improve buye...

Analytics & Experimentation
2
0
25 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist

Resolve exclusion, learn fast, and manage conflict

Behavioral & Leadership Onsite — Cross-Team Inclusion, Fast Learning, Analytical Conflict Context You are a data scientist working cross-functionally ...

Behavioral & Leadership
4
0
42 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Compute feed ad frequency and retention in SQL

Assume today is 2025-09-01. Schema and tiny samples: feed_impressions(impression_id, user_id, impression_time, content_type, feed_position, session_id...

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

Manage promotions and project portfolio tradeoffs

Context You manage a 10-person Data Science team operating across multiple locations and time zones. Three senior individual contributors (ICs) are ac...

Behavioral & Leadership
5
0
44 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist

Design an A/B test for WFH filter

A/B Test Design: Optional "Work From Home" Filter on Search Page You are designing an online controlled experiment for a marketplace search page that ...

Analytics & Experimentation
1
0
34 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Evaluate emoji reactions launch

A messaging app plans to introduce an emoji reaction feature: users can long-press a message for 5 seconds and attach an emoji instead of sending a te...

Analytics & Experimentation
2
0
28 people solved
Oct 13, 2025
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
77 people solved
Apr 7, 2025
Meta logo
Meta
Medium
Data Scientist

[Analytics Reasoning] Impact of Malicious Accounts on Meta

You are analyzing malicious accounts on a large social network. Assume: - 1% of all accounts are malicious. - Malicious accounts send friend requests ...

Analytics & Experimentation
10
0
44 people solved
Apr 7, 2025
Meta logo
Meta
Easy
Data Scientist Locked

Determine if users need a new feature

This question evaluates a data scientist's competency in product analytics, causal inference, experiment design, metric definition, instrumentation, a...

Analytics & Experimentation
2
0
32 people solved
Oct 11, 2025
Meta logo
Meta
Medium
Data Scientist

Compute SHOP spend share and model performance

You work on ads measurement. Advertisers can drive users to either Facebook Shop ('SHOP') or their own website ('WEBSITE'). After an ad is shown, you ...

Data Manipulation (SQL/Python)
7
0
62 people solved
Aug 21, 2025
Meta logo
Meta
Medium
Data Scientist Locked

Define and estimate prevalence of unhealthy users

This question evaluates a data scientist's ability to operationalize an "unhealthy user" metric and compute its prevalence from session duration and d...

Analytics & Experimentation
3
0
36 people solved
Aug 17, 2025
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Meta
Hard
Data Scientist Locked

Test if social users are more engaged

This question evaluates a data scientist's competencies in observational analytics, engagement metric selection, cohort construction for overlapping b...

Analytics & Experimentation
1
0
27 people solved
Aug 17, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate Response Rate and Compare New vs. Existing User Scores

survey_events +---------+------------+-----------+--------------+---------------------+ | user_id | is_new_user| responded | survey_score | event_time...

Data Manipulation (SQL/Python)
1
0
5 people solved
Aug 4, 2025
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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.

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