Top 26
Prep plan
Updated weekly · Last refresh Aug 30

Steampunk Data Scientist Interview Questions

The questions to prepare for a Steampunk Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

26questions
~3htotal time
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1
Machine LearningStart here. 7 questions · ~56 min
Improve Loan Default Prediction FeaturesEasy

Build and compare baseline and engineered-feature classifiers for consumer loan default prediction, and explain how feature engineering changes model performance.

Cross-ValidationFeature EngineeringSupervised LearningSteampunk
Detect Card Fraud with Imbalanced DataEasy

Build an imbalanced binary classifier for card fraud detection using class weighting, resampling, and threshold tuning with PR-focused evaluation.

Hyperparameter TuningCross-ValidationFeature EngineeringSteampunk
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2
Pipelines4 questions · ~32 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualitySteampunk
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3
Model Evaluation4 questions · ~32 min
Check for Model OverfittingEasy

How to tell whether a model is overfitting using train and validation performance.

Cross-ValidationF1 ScoreAccuracySteampunk
Evaluate Model Deployment ReadinessMedium

Framework for deciding if a model is ready for deployment using discrimination, calibration, threshold choice, and business impact.

CalibrationAccuracyThreshold TuningSteampunk
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4
NLP10 questions · ~80 min
Deploy Enterprise RAG for Policy SearchEasy

Design an enterprise RAG pipeline for internal policy QA with embeddings, retrieval, citations, ACL filtering, and low-latency grounded generation.

Language ModelsWord EmbeddingsTokenizationSteampunk
Design a Vector Search RAG SystemHard

Design a vector database-backed retrieval system for grounded LLM answers.

Language ModelsWord EmbeddingsTokenizationSteampunk
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5
More topics1 question · ~8 min
The finish line: interview-readyComplete all 26 questions to finish this plan.