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Updated weekly · Last refresh Aug 30

Samsung Electronics Machine Learning Engineer Interview Questions

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

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1
CodingStart here. 5 questions · ~45 min
O(1) Insert Delete Random SetEasy
Practice

Implement a set-like structure using an array and hash map to support insert, delete, and random access in average O(1) time.

Hash TablesArraysData StructuresSamsung Electronics
Detect Cycles in GraphsMedium

Explain how to detect cycles in directed and undirected graphs using DFS, recursion state, and parent tracking.

RecursionSearchingGraphsSamsung Electronics
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2
Machine Learning10 questions · ~90 min
Diagnosing Vanishing and Exploding GradientsMedium

Explain how to detect vanishing or exploding gradients and stabilize deep neural network training.

Neural NetworksDeep LearningoptimizationSamsung Electronics
Handling Severe Class ImbalanceMedium

Explain how to train and evaluate a classifier when the positive class is rare and accuracy is misleading.

ExperimentationFeature EngineeringSupervised LearningSamsung Electronics
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3
System Design3 questions · ~27 min
Deploy LLMs on Edge HardwareHard

Tests your practical approach to optimizing and deploying LLMs under edge constraints.

gpu hardwaredistributed trainingModel ServingSamsung Electronics
Power-Efficient Wearable VisionHard

Tests your ability to design power-aware ML inference architectures for always-on wearable devices.

edge devicesModel ServingSamsung Electronics
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4
Behavioral & Leadership4 questions · ~36 min
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5
More topics2 questions · ~18 min
Explain Transformer Self-AttentionHard

Explain how transformer self-attention works, including its role in sequence modeling and why it scales better than RNNs.

Neural NetworksLanguage ModelsDeep LearningSamsung Electronics
Continuous Training PipelineHard

Tests your MLOps thinking for reliable model updates, evaluation, and production monitoring.

monitoringOrchestrationAutomationSamsung Electronics
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