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Updated weekly · Last refresh Aug 30

Dave Data Analyst Interview Questions

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

16questions
~2htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~46 min
Top 5% Customers by ChannelMedium
Practice

Use CTEs and percentile-style ranking to find the top 5% of customers by 30-day transaction volume within each marketing channel.

Window FunctionsDate FunctionsRankingDave
Consecutive Negative Balance UsersHard

Tests advanced SQL window functions and time-series logic for risk detection.

Window FunctionsLag/LeadDate FunctionsDave
Optimize Massive Join QueryHard

Tests query optimization strategies for performance at Dave scale.

Performance TuningJoinsindexesDave
Build Monthly Retention Cohort TableHard
Practice
Practice drill

Build a monthly customer retention cohort table using CTEs, date math, and conditional aggregation.

Window FunctionsDate FunctionsAggregationsBoltDaveAffirm
Compare Weekly User Activity TrendsMedium
Practice
Practice drill

Aggregate user activity by week, then use LAG to compare sessions and watch time versus the prior active week.

Window FunctionsLag/LeadDate FunctionsB Lab GlobalTapadScale
2
Behavioral & Leadership8 questions · ~70 min
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3
More topics5 questions · ~44 min
Risk and Repayment Health MetricsMedium

Tests ability to define risk and repayment KPIs for Dave ExtraCash users.

kpi hierarchyDave
A/B Test for ExtraCash OnboardingHard

Tests experimental design, metric planning, and validity considerations for Dave onboarding.

experiment designGuardrail Metricsprimary metricsDave
Measure Budgeting Feature ImpactMedium

Tests product sense and metric selection for reducing overdrafts at Dave.

Metricsuser valueUse CasesDave
Diagnose 5% Retention DropHard

Tests structured metrics debugging and root-cause analysis for Dave retention.

RetentionKPIDiagnosisDave
Wrong Hypothesis ExampleMedium

Evaluates how you test assumptions, learn from results, and adjust your analysis.

Dave

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