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Updated weekly · Last refresh Oct 17

Meta Data Scientist Interview Questions

The questions to prepare for a Meta Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 7 questions · ~71 min
Request Failure Rate by Data CenterEasy
Practice

Calculate request failure rate per data center by joining Meta user requests with country data.

Group Bydatabase queryingAggregationsMeta
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2
A/B Testing & Experimentation7 questions · ~71 min
Experimenting on Facebook ReelsMedium

Design an A/B test to measure Facebook News Feed Reels impact with MDE, guardrails, SRM checks, and network effects.

experiment designNetwork Interferenceincremental liftMeta
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3
Product Sense7 questions · ~71 min
Rank Change Effect Beyond WindowMedium

Estimate the revenue impact of a Meta ranking change beyond the experiment window.

product metricsproduct analysisMetricsMeta
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4
Metrics7 questions · ~71 min
Facebook Dating Sibling InteractionMedium

Define and break down Facebook sibling interaction, including identity matching, unit of measure, and engagement slicing.

metric selectionperformance measurementEngagement MetricsMeta
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5
Statistics & Probability7 questions · ~71 min
Bayes Probability for Spam Friend RequestsMedium
Recently asked

Use Bayes' theorem to estimate the probability a Facebook friend request came from a bad account when bad accounts send requests 10x more often.

Meta
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6
Machine Learning6 questions · ~60 min
Clone the GraphHard
Recently asked

Tests your ability to implement graph algorithms correctly and efficiently.

Data StructuresMeta
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7
More topics9 questions · ~91 min
Recommendation System for Facebook LocationsHard
Recently asked

Evaluates your system design thinking for building recommender systems in a location-based product context.

Recommendation SystemsMeta
Jailbreak and Defend LLMsHard
Recently asked

Evaluates your security mindset for LLM abuse and your ability to propose mitigations.

SecurityllmMeta
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