Dataford
Top 28
Prep plan
Updated weekly · Last refresh Aug 30

Gen Digital Data Scientist Interview Questions

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

28questions
~4htotal time
Track your progressSign up free to work through all 28 questions and resume where you left off.
Start practicing free →
1
Machine LearningStart here. 6 questions · ~49 min
Random Forest vs Gradient BoostingMedium

Compare Random Forest and Gradient Boosting, then choose the right ensemble for a supervised learning task.

Ensemble MethodsBias-Variance TradeoffSupervised LearningGen Digital
More Machine Learning questions with a free account
2
Behavioral & Leadership10 questions · ~81 min
More Behavioral & Leadership questions with a free account
3
More topics12 questions · ~98 min
Activation vs Retention Tradeoff TestMedium

Design an onboarding A/B test where activation may improve but Day-28 retention could worsen, with explicit power, guardrails, and ship rules.

ExperimentationCausal InferenceGuardrail MetricsGen Digital
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesGen Digital
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisGen Digital
SQL Rolling Retention by CohortHard

Tests advanced SQL skills for cohort retention analytics in a product context.

Window FunctionsRetentionCohort AnalysisGen Digital
Evaluate Fraud Detection ModelsMedium

Tests ability to select appropriate metrics for imbalanced, high-stakes fraud detection.

F1 ScorePrecisionRecallGen Digital
Optimize Pandas Data PipelinesMedium

Tests performance tuning skills for data pipelines using Pandas and related tooling.

Data WranglingperformanceQualityGen Digital
Define Experiment Metrics and GuardrailsMedium

Tests experimental design and metric selection for subscription growth and risk control.

Guardrail MetricsGen Digital
More questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Second Highest Salary at NovaTechEasy
Practice
Practice drill

Find the second highest distinct employee salary from a single table, returning NULL if it does not exist.

SubqueriesRankingAggregationsBest BuyAmtex SystemsC3 AI
30-Day Moving Average of BookingsMedium
Practice
Practice drill

Build a daily series and compute a 30-day trailing moving average of task bookings using window functions.

Window FunctionsData WranglingAggregationsTaskRabbitRBC
Six-Month User Retention CohortsHard
Practice
Practice drill

Calculate six-month retention by signup cohort using CTEs, joins, aggregations, and month-based date logic.

Window FunctionsRetentionCohort AnalysisNykaa
The finish line: interview-readyComplete all 28 questions plus 3 hands-on drills to finish this plan.