Top 33
Prep plan
Updated weekly · Last refresh Aug 30

TRM Labs Data Scientist Interview Questions

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

33questions
~5htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 1 drill · ~54 min
2
Statistics & Probability3 questions · ~27 min
3
A/B Testing & Experimentation3 questions · ~27 min
Pitfalls in Streaming Experiment AnalysisHard
Recently asked

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio MismatchTRM Labs
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4
Machine Learning4 questions · ~35 min
Supervised vs Unsupervised LearningEasy
Recently asked

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffTRM Labs
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5
Metrics3 questions · ~27 min
Diagnose a Conversion DropHard
Recently asked

Investigate whether a conversion drop came from product friction, traffic mix, or an experiment artifact.

Funnel AnalysisConversion RateDiagnosisTRM Labs
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6
Behavioral & Leadership10 questions · ~88 min
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7
More topics5 questions · ~44 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityTRM Labs
Choosing Classification Evaluation MetricsEasy
Recently asked

Explain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.

PrecisionAccuracyRecallTRM Labs
Prioritizing Features Under ConstraintsMedium

Assesses prioritization and tradeoff reasoning in high-stakes product development.

Feature PrioritizationUser NeedsMVPTRM Labs
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The finish line: interview-readyComplete all 33 questions plus 1 hands-on drill to finish this plan.