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Samsung Semiconductor Inc (US) Machine Learning Engineer Interview Questions

The questions to prepare for a Samsung Semiconductor Inc (US) Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 5 questions · ~46 min
K-Means From ScratchHard
Practice

Implement k-means clustering from scratch with iterative centroid updates and convergence detection.

MathArraysSortingSamsung Semiconductor Inc (US)
Dynamic Programming Coding ChallengeHard

Tests mastery of DP problem solving and correct implementation.

RecursionMathDynamic ProgrammingSamsung Semiconductor Inc (US)
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2
Machine Learning12 questions · ~110 min
Regularization to Reduce OverfittingMedium

Explain how regularization reduces overfitting, and how to choose and tune it using validation data.

Cross-ValidationBias-Variance TradeoffRegularizationSamsung Semiconductor Inc (US)
Predictive Maintenance Failure ModelingHard

Design a machine learning system to predict equipment failures before they happen using sensor, event, and maintenance data.

Cross-ValidationFeature EngineeringSupervised LearningSamsung Semiconductor Inc (US)
Handle Imbalanced Classification DataMedium

Build a classifier for a highly imbalanced dataset and choose metrics, sampling, and thresholds that fit the minority class.

Cross-ValidationFeature EngineeringSupervised LearningSamsung Semiconductor Inc (US)
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3
Model Evaluation4 questions · ~37 min
Evaluate Model EffectivenessEasy

Assess whether a model is effective using core classification metrics and the confusion matrix.

PrecisionAccuracyRecallSamsung Semiconductor Inc (US)
Improve Predictive Model AccuracyMedium

Assess why a predictive model is missing accuracy targets and identify changes that would improve it.

Cross-ValidationAccuracyThreshold TuningSamsung Semiconductor Inc (US)
Evaluate Regression with RMSE and MAEEasy

Explain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.

RegressionMAERMSESamsung Semiconductor Inc (US)
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