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Updated weekly · Last refresh Oct 16

General Motors (GM) Machine Learning Engineer Interview Questions

The questions to prepare for a General Motors (GM) Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

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~6htotal time
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1
CodingStart here. 7 questions · ~62 min
Streaming Out-of-Bounds Anomaly DetectionHard
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Detect multivariate sensor anomalies with rolling mean and standard deviation bounds in one pass.

anomaly detectionGeneral Motors (GM)
Writing a Machine Learning FunctionHard
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Use dynamic programming and backpointers to find the most likely hidden-state sequence in a Hidden Markov Model.

RecursionMathArraysGeneral Motors (GM)
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2
Model Evaluation4 questions · ~36 min
Manage Production Model DriftHard
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Approach for detecting, interpreting, and responding to model drift in a production AI system.

CalibrationAUC-ROCThreshold TuningGeneral Motors (GM)
Assess Model Robustness and ReliabilityMedium
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Approach for judging whether a model is stable, calibrated, and dependable before deployment.

PrecisionAccuracyRecallGeneral Motors (GM)
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3
Machine Learning13 questions · ~116 min
Optimize ML Models for ProductionMedium
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Explain how to optimize a machine learning model using tuning, validation, and regularization, then judge the result in production.

Feature EngineeringDeep LearningSupervised LearningGeneral Motors (GM)
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4
Pipelines4 questions · ~36 min
Production ML Deployment PipelineMedium
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Key production pipeline considerations for deploying, validating, and monitoring an ML model.

InfrastructureIdempotencyQualityGeneral Motors (GM)
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5
System Design3 questions · ~27 min
Distributed Training Across Multiple GPUsHard
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Tests your system design skills for scalable distributed training of multimodal deep learning models.

distributed trainingGeneral Motors (GM)
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6
Behavioral & Leadership5 questions · ~45 min
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7
More topics1 question · ~9 min
Trend Discovery ApproachMedium
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Tests your ability to derive actionable insights from data using sound statistical reasoning.

RegressionCorrelationGeneral Motors (GM)
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