Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Criteo Data Scientist Interview Questions

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

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
A/B Testing & ExperimentationStart here. 6 questions · ~48 min
2
Machine Learning10 questions · ~81 min
Bias-Variance Tradeoff in PracticeMedium

Explain the bias-variance tradeoff and how it guides model choice, regularization, and generalization performance.

Cross-ValidationBias-Variance TradeoffRegularizationCriteo
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffCriteo
More Machine Learning questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Statistics & Probability5 questions · ~40 min
Interpreting Significance in ExperimentsMedium

Explain statistical significance in experiments and how p-values and confidence intervals guide interpretation.

Confidence IntervalsStatistical SignificanceP-ValuesCriteo
More Statistics & Probability questions with a free account
4
Product Sense3 questions · ~24 min
Define Success for Ads ProductEasy

Framework for defining success for a new advertising product, balancing revenue, user experience, and long-term marketplace health.

Value PropositionMVPProduct VisionCriteo
More Product Sense questions with a free account
5
Metrics3 questions · ~24 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisCriteo
More Metrics questions with a free account
6
SQL & Data Manipulation5 questions + 3 drills · ~70 min
7
More topics18 questions · ~145 min
Detect Overfitting in Click DataMedium

Tests ability to diagnose overfitting using validation strategy and learning curves.

Cross-ValidationAUC-ROCAccuracyCriteo
More questions with a free account
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.