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Updated weekly · Last refresh Aug 30

Prosper Marketplace Business Analyst Interview Questions

The questions to prepare for a Prosper Marketplace Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
StrategyStart here. 4 questions · ~32 min
Global Active Investor CountHard

Tests market sizing methodology using proxies, triangulation, and defensible assumptions.

EstimationCompetitive AnalysisMarket SizingProsper Marketplace
Annual US Loan Origination EstimateHard

Tests structured estimation and ability to make reasonable assumptions for market sizing.

EstimationBusiness AcumenMarket SizingProsper Marketplace
Balancing Investor Supply and Borrower DemandHard

Tests marketplace dynamics reasoning and how you would model supply-demand tradeoffs.

Business Modelsupply demandProsper Marketplace
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2
Behavioral & Leadership7 questions · ~56 min
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3
More topics5 questions · ~40 min
Join Types in Transaction DataEasy

Explain INNER JOIN vs LEFT JOIN and describe a many-to-one relationship using card transaction data.

JoinsData Wranglingmany-to-oneProsper Marketplace
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisProsper Marketplace
Biased Coin IdentificationHard

Tests probabilistic reasoning and translating confidence targets into sample size.

BiasExpected ValueConditional ProbabilityProsper Marketplace
Analyze a Successful CampaignEasy

Describe how you would evaluate a successful marketing campaign using funnel KPIs, conversion, and ROI.

KPIsDiagnosisEngagement MetricsProsper Marketplace
Handling Missing Loan DataMedium

Tests data cleaning choices and how you preserve repayment analytics quality.

null handlingfinancial dataData WranglingProsper Marketplace

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