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Updated weekly · Last refresh Sep 22

Prosper Marketplace QA Engineer Interview Questions

The questions to prepare for a Prosper Marketplace QA Engineer interview. Questions from real interview reports rank first. Updated daily.

4questions
~1htotal time
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1
CodingStart here. 3 questions · ~27 min
Missing Number in ArrayMedium

Evaluates your approach to efficient array problem-solving without sorting.

Prosper Marketplace
Array OperationsMedium

Assesses your ability to implement and reason about array-based algorithms.

Prosper Marketplace
Spiral Matrix Program and TestsHard

Tests your ability to implement matrix traversal and design thorough test cases.

TestingProsper Marketplace
2
More topics1 question · ~9 min
Uncommon SQL for QAHard

Assesses practical SQL judgment and test validation skills relevant to QA work.

sqlProsper Marketplace

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL for Risk Data WorkEasy
Practice
Practice drill

Filter and sort qualifying loan applications with a basic PostgreSQL SELECT query.

Data Manipulationsqldata validationProsper Marketplace
SQL Top Investors by Portfolio ValueMedium
Practice
Practice drill

Identify the top 10% of Prosper investors by aggregating portfolio values and ranking investors with SQL.

Window FunctionsData Manipulationfinancial dataProsper Marketplace
Loan Originations MoM GrowthMedium
Practice
Practice drill

Calculate monthly loan origination totals and month-over-month growth by Prosper Marketplace marketing channel.

Window FunctionsLag/LeadDate FunctionsProsper Marketplace
The finish line: interview-readyComplete all 4 questions plus 3 hands-on drills to finish this plan.