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Updated weekly · Last refresh Nov 6

Doximity Data Scientist Interview Questions

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

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~3htotal time
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1
SQL & Data ManipulationStart here. 3 questions · ~34 min
SQL for Top Activity UsersHard
Practice

Identify the most active 5% of WWT portal users using aggregation, a left join, and window functions.

sql queryData AnalysisDoximity
Rolling Average Over Last 30 DaysMedium
Practice

Calculate each customer's 30-day rolling engagement average using a PostgreSQL window function.

Date FunctionsData ManipulationAggregationsDoximity
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2
Statistics & Probability3 questions · ~34 min
Seasonality in Growth ExperimentsHard

Reason about how seasonality can bias experiment reads and how to design analysis that separates treatment effects from time patterns.

ExperimentationTime SeriesA/B TestingDoximity
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3
A/B Testing & Experimentation3 questions · ~34 min
Sample Size for Statistical SignificanceHard

Calculate the sample size needed for statistical significance using baseline rate, MDE, alpha, power, and experiment constraints.

experiment designMDEStatistical SignificanceDoximity
Network Interference in Collaboration TestMedium

Explain when network interference threatens an A/B test, how it biases estimates, and how to redesign the experiment safely.

Network InterferenceExperimentationA/B TestingDoximity
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4
More topics5 questions · ~57 min
Measure Feature Impact on RetentionHard

Assess whether a new feature improves user retention using cohort analysis, controlled experiments, and guardrail metrics.

product metricsfeature evaluationuser retentionDoximity
Diagnose Engagement DropHard

Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.

MetricsDiagnosisuser engagementDoximity
Designing Customer Satisfaction MetricsHard

Define a reliable customer satisfaction metric for Intercom conversations, including measurement design, bias controls, and success criteria.

product metricsMetricsCustomer SuccessDoximity
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