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
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Meta
Medium
Data Scientist

Identify Top Three Active Users by Event Date

event_log +------------+---------+-----------+---------------------+ | event_date | user_id | event_type| event_timestamp | +------------+--------...

Data Manipulation (SQL/Python)
137
1
356 people solved
Aug 4, 2025
Meta logo
Meta
Hard
Data ScientistSenior+ Locked

Prove high-quality pixels improve ad performance

Prove high-quality pixels improve ad performance evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and...

Analytics & Experimentation
2
0
30 people solved
Aug 1, 2025
Meta logo
Meta
Hard
Data Scientist Locked

Design an A/B test for non-friend posts

Design an A/B test for non-friend posts evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommen...

Analytics & Experimentation
1
0
27 people solved
Jul 28, 2025
Meta logo
Meta
Hard
Data Scientist Locked

Measure whether posts strengthen friendships

Measure whether posts strengthen friendships evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and rec...

Analytics & Experimentation
2
0
27 people solved
Jul 28, 2025
Meta logo
Meta
Medium
Data Scientist

Annotating and forecasting a long‑tail distribution

Annotating and Forecasting a Long-tail Distribution You are analyzing daily share counts across many pages on a social platform. The cross-sectional d...

Statistics & Math
23
0
49 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Expected round of first selection in repeated sampling

Random Perk Selection: Expected First Round There are 1,000 employees. Each round, 10 distinct employees are selected at random for a perk. No one can...

Analytics & Experimentation
13
0
37 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Expected meetings in Room 1 after random assignment

Expected Meetings in Room 1 Conditional on Being Non-empty There are N rooms and k meetings. Each meeting independently chooses a room uniformly at ra...

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

Advertising for local businesses boosting popular posts

Boosting Popular Posts for Local SMBs You are evaluating an experiment where small local businesses can pay to boost their popular organic posts. Defi...

Analytics & Experimentation
102
0
316 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Impact of parents joining Facebook on teen engagement

Parental Presence and Teen Engagement on Facebook Facebook's teen audience overlaps increasingly with parents, who may friend their children, comment ...

Analytics & Experimentation
66
1
134 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Resolve Conflict and Communicate Effectively in the Workplace

Behavioral Interview: Conflict, Skepticism, and Impact You are interviewing onsite for a Data Scientist role. The interviewer is assessing collaborati...

Behavioral & Leadership
13
0
61 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Evaluate Facebook's Restaurant Recommendations Feature Effectiveness

Experiment Design: Restaurant Recommendations in Facebook News Feed Facebook is considering restaurant recommendation units inside News Feed, such as ...

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

Calculate Weekly Thread Engagement with Reactions in SQL

messages +------------+--------+----------+--------------+---------------------+ | message_id | sender | receiver | has_reaction | timestamp ...

Data Manipulation (SQL/Python)
79
0
192 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Evaluate Metrics for Restaurant-Feature Impact and Engagement Trade-offs

Evaluate Metrics for Restaurant-Feature Impact and Engagement Trade-offs A large social app launches a restaurant-recommendation feed that may compete...

Analytics & Experimentation
86
0
183 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Calculate Engagement Metrics for Info-Stream Content Analysis

info_stream_views +----------+-----------+--------------+----------+------------+ | post_id | viewer_id | relationship | duration | ds | +---...

Data Manipulation (SQL/Python)
107
1
243 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Data Scientist

Analyze Revenue Shifts to Identify Cannibalization Effects

Analyze Revenue Shifts to Identify Cannibalization Effects Management observes strong revenue growth from one creation_source, such as a channel where...

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

Calculate Video Call Usage Metrics by Country and Date

video_calls +---------+-----------+------------+---------+----------+ | caller | recipient | ds | call_id | duration | +---------+-----------...

Data Manipulation (SQL/Python)
83
0
150 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Determine Demand for WhatsApp Group Video-Calls

Determine Demand for WhatsApp Group Video Calls WhatsApp is considering launching group video calls. Assume the feature does not currently exist, but ...

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

Evaluate Success of B2C Chat App with Key Metrics

Evaluate Success of a B2C Chat App with Key Metrics A data scientist is asked to define how to evaluate the overall success of a business-to-consumer ...

Analytics & Experimentation
5
0
28 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Evaluate Success Metrics for Facebook Groups and New Features

Evaluate Success Metrics for Facebook Groups and New Features You are evaluating Facebook Groups and a possible new local feature called Circle, a lig...

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

Identify Potential Users for Instagram Shopping Tab Adoption

Evaluates how to identify likely adopters of an Instagram Shopping tab and measure whether the feature creates incremental commerce value. Strong answ...

Analytics & Experimentation
33
0
91 people solved
Jul 12, 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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