Duolingo Product Manager Interview Questions

The questions to prepare for a Duolingo Product Manager interview. Questions from real interview reports rank first. Updated daily.

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StrategyStart here. 9 questions · ~72 min

Build Buy or Defer DecisionHard

Framework for deciding whether to build internally, buy a vendor product, or defer a technical solution.

EstimationCompetitive AnalysisMoats

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Metrics10 questions · ~80 min

Define Feature Leading and Lagging MetricsMedium

Define leading and lagging indicators for a new feature and tie them to product outcomes.

North Star MetricLagging IndicatorsLeading Indicators

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Choose Metrics for New FeaturesEasy

Define a practical framework for selecting a north star, supporting KPIs, and leading indicators for a new product feature.

North Star MetricKPIsLeading Indicators

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A/B Testing & Experimentation8 questions · ~64 min

Primary vs Guardrail Metric ChoiceMedium

Choose a primary success metric and guardrails for a game experiment, then explain how that choice drives power, analysis, and ship decisions.

ExperimentationGuardrail MetricsA/B Testing

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Handle Peeking in Customer ExperimentsHard

Decide how to analyze an experiment when results are checked repeatedly and multiple comparisons may inflate false positives.

PeekingExperimentationStatistical Significance

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Execution10 questions · ~80 min

Define Success Criteria for Feature LaunchEasy

Define launch success criteria for a new feature with clear KPIs, leading indicators, and stakeholder alignment.

Launch PlanningSuccess CriteriaRisk Assessment

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Prioritize Features for Product LaunchMedium

Explain how you would prioritize launch features, define the MVP, and align stakeholders on trade-offs before release.

Launch PlanningTrade-offsFeature Prioritization

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Product Sense10 questions · ~80 min

Gather Feedback on DesignsEasy

Explain how you gather design feedback, from early discovery through validation, and how you decide which signals to act on.

User ResearchUser NeedsPain Points

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Behavioral & Leadership3 questions · ~24 min

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