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Prolific Interview Questions

The questions to prepare for Prolific interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
ExecutionStart here. 13 questions · ~106 min
2
Metrics4 questions · ~33 min
Define Success Metrics for FeaturesMedium

Set a clear north star, supporting KPIs, leading indicators, and guardrails for a new product feature.

North Star MetricLagging IndicatorsKPIsProlific
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3
Product Sense3 questions · ~24 min
Prioritize an AI Product RoadmapMedium

Framework for prioritizing AI product roadmap features using user needs, business impact, metrics, and execution trade-offs.

User SegmentsFeature PrioritizationProlific
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4
Coding9 questions · ~73 min
Refactor for Readability and PerformanceMedium

Tests your ability to improve code quality while preserving correctness and meeting performance goals.

clean codeperformance optimizationProlific
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5
System Design8 questions · ~65 min
Monolith vs Microservices ChoicesMedium

Evaluates architectural decision-making and trade-off analysis.

Trade-offsarchitecturemicroservicesProlific
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6
Strategy5 questions · ~41 min
Expanding Into a New MarketHard

Tests your market strategy approach using data to evaluate fit, demand, and risk for Prolific.

Decision MakingData AnalysisProlific
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7
More topics8 questions · ~65 min
SQL vs NoSQL for Go-to-Market DataEasy

Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.

JoinsData WranglingProlific
Race Conditions in Python ConcurrencyHard

Assesses concurrency debugging and mitigation strategies.

pythonconcurrencyProlific
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.