Top 23
Prep plan
Updated weekly · Last refresh Oct 17

Nomura Data Scientist Interview Questions

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

23questions
~3htotal time
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1
Statistics & ProbabilityStart here. 5 questions · ~41 min
2
Pipelines3 questions · ~25 min
Handling Missing Data in PipelinesMedium

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

InfrastructureETLBatch ProcessingNomura
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3
Product Sense3 questions · ~25 min
Regime Shift Model AdjustmentHard

Evaluates your approach to detecting and adapting to non-stationarity in market data.

predictive modelingmarket analysisNomura
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4
Behavioral & Leadership6 questions · ~49 min
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5
More topics6 questions · ~49 min
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisNomura
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchNomura
Using APIs to Retrieve DataMedium

Assesses practical data acquisition skills and familiarity with API-based workflows.

APIsNomura
Evaluating Business Value of ModelsHard

Evaluates core ML concepts and your ability to connect model outputs to business impact.

Confusion MatrixFeature EngineeringModel EvaluationNomura
Detecting Anomalous Trading PatternsHard

Tests system design skills for real-time anomaly detection in trading data.

system designNomura
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 23 questions plus 3 hands-on drills to finish this plan.