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Updated weekly · Last refresh Sep 17

Samsung Ads Machine Learning Engineer Interview Questions

The questions to prepare for a Samsung Ads Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
Machine LearningStart here. 8 questions · ~64 min
Extreme Imbalance in Fraud DetectionMedium

Handle rare positive labels in ad fraud detection with the right sampling, loss design, validation, and thresholding strategy.

Feature Engineeringmodel trainingClass ImbalanceSamsung Ads
Vanishing Gradients in Deep NetworksMedium

Explain vanishing gradients in deep networks and how residual connections, batch normalization, and activation choice improve training.

Neural NetworksDeep LearningGradient DescentSamsung Ads
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2
Coding4 questions · ~32 min
Detect Cycles in Ad PathMedium

Tests graph algorithm skills for identifying cycles in ad delivery flows.

dfscycle detectionGraphsSamsung Ads
Shortest Path for Related CategoriesMedium

Tests ability to implement shortest path algorithms on graph-based representations.

shortest pathbfsGraphsSamsung Ads
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3
Behavioral & Leadership6 questions · ~48 min
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4
More topics4 questions · ~32 min
Diagnosing Poor Training PerformanceMedium

Tests debugging skills for ML training issues and ability to propose corrective actions.

model performanceTroubleshootingSamsung Ads
Production ML System WalkthroughMedium

Tests ability to explain end-to-end ML system design, deployment, and tooling decisions.

production issuestechnical experiencetechnical depthSamsung Ads
End-to-End Real-Time Ad TargetingHard

Tests system design for real-time ML, including data, modeling, serving, and feedback loops.

Feature StoreRetrievalModel ServingSamsung Ads
AUC vs Online A/B TestingMedium

Tests judgment on choosing evaluation methods for recommendation systems in production.

AUC-ROCModel MetricsA/B TestingSamsung Ads

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