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Prep plan
Updated weekly · Last refresh Aug 30

Sanofi Data Scientist Interview Questions

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

41questions
~5htotal time
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1
Statistics & ProbabilityStart here. 6 questions · ~48 min
2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
3
Metrics3 questions · ~24 min
Diagnosing a Sudden Engagement DropMedium

Assesses structured troubleshooting for product metric regressions using data investigation.

Diagnosisuser engagementSanofi
Vanity vs North-Star MetricsMedium

Evaluates metric strategy and ability to align measurement with meaningful patient or clinical outcomes.

Sanofi
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4
Product Sense6 questions · ~48 min
Investigating a Metric PlateauMedium

Tests structured root-cause analysis for stalled product metrics in a healthcare context.

root cause analysisSanofi
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5
A/B Testing & Experimentation6 questions · ~48 min
Sample Size and Statistical PowerMedium

Assesses power analysis and planning rigor for launching reliable experiments.

Sample SizeSanofi
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6
Machine Learning3 questions · ~24 min
Regularization for Biomedical DataMedium

Tests model regularization choices for biomedical settings with limited data and many features.

Sanofi
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7
More topics12 questions · ~96 min
Design a GenAI WorkflowHard

Tests your ability to design an end-to-end GenAI workflow with appropriate data, evaluation, and governance steps.

Sanofi
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The finish line: interview-readyComplete all 41 questions plus 3 hands-on drills to finish this plan.