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Prep plan
Updated weekly · Last refresh Nov 6

Ernst & Young Machine Learning Engineer Interview Questions

The questions to prepare for a Ernst & Young Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

31questions
~4htotal time
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1
PipelinesStart here. 8 questions · ~64 min
Design ML Video Processing PipelineHard

Design a video processing pipeline that runs ML inference, manages orchestration, and keeps outputs reliable for downstream use.

Stream ProcessingBatch ProcessingOrchestrationErnst & Young
Cloud ML Pipeline ExperienceMedium

Discuss how you build ML pipelines on cloud infrastructure, including orchestration, data movement, and production quality controls.

Data QualityInfrastructureETLErnst & Young
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2
Machine Learning7 questions · ~56 min
Choosing the Right ML AlgorithmMedium

Decide which supervised learning algorithm fits a business problem using data shape, evaluation, and deployment constraints.

Cross-ValidationFeature EngineeringSupervised LearningErnst & Young
Feature Engineering for New ModelsMedium

Explain a practical framework for feature engineering, from raw data review to validation of feature impact on held-out data.

Feature EngineeringModel EvaluationSupervised LearningErnst & Young
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3
Model Evaluation5 questions · ~40 min
Evaluating Imbalanced Classification ModelsMedium

Explain how to evaluate a classifier on imbalanced data, with focus on metrics that are more informative than accuracy.

F1 ScorePrecisionRecallErnst & Young
Choose the Right Evaluation MetricsEasy

Pick the right metrics to evaluate a machine learning model and explain why they fit the problem.

PrecisionAccuracyRecallErnst & Young
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4
System Design6 questions · ~48 min
Design a Secure Scalable ML PlatformMedium

Design a production ML decision service with low latency serving, secure data handling, and scalable training and inference.

Feature StoreRetrievalModel ServingErnst & Young
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5
Behavioral & Leadership4 questions · ~32 min
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6
More topics1 question · ~8 min
Coding for ML Data and AlgorithmsMedium

Assesses your expectations and readiness for coding tasks tied to ML implementation.

coding challengeData ManipulationAlgorithmsErnst & Young
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