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Prep plan
Updated weekly · Last refresh Oct 17

WeWork Machine Learning Engineer Interview Questions

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

27questions
~4htotal time
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1
Model EvaluationStart here. 4 questions · ~35 min
Improve Model Accuracy SystematicallyMedium

Approach for improving a model's accuracy by checking data, features, validation, and threshold choices.

Cross-ValidationAccuracyThreshold TuningWeWork
Choose Classification MetricsMedium

Choose the right classification metrics, and explain when precision, recall, and F1 score matter most.

F1 ScorePrecisionRecallWeWork
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2
Machine Learning14 questions · ~123 min
Discuss TensorFlow or PyTorch ExperienceEasy

Explain your practical experience using TensorFlow or PyTorch to build, train, and evaluate machine learning models.

Hyperparameter TuningNeural NetworksDeep LearningWeWork
Feature Engineering for ML ModelsEasy

Explain how feature engineering improves supervised models and how to choose useful transformations.

Cross-ValidationFeature EngineeringModel EvaluationWeWork
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3
Pipelines4 questions · ~35 min
ML Model Deployment ConsiderationsMedium

Key pipeline considerations for deploying an ML model into production, including orchestration, reproducibility, data quality, and monitoring.

InfrastructuremonitoringQualityWeWork
Handling Missing Data in PipelinesMedium

Approach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.

InfrastructureETLBatch ProcessingWeWork
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4
Coding3 questions · ~26 min
Implement Linear Regression FunctionEasy
Practice

Fit a univariate linear regression model from Purdue student-support measurements using the least-squares closed-form solution.

MathArraysSortingWeWork
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5
More topics2 questions · ~18 min
Design Personalized Job RecommendationsMedium

Design an end-to-end ML system for personalized job recommendations at marketplace scale, including retrieval, ranking, serving, and monitoring.

Feature StoreFeature DriftModel ServingWeWork
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The finish line: interview-readyComplete all 27 questions to finish this plan.