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Updated weekly · Last refresh Aug 30

Duolingo UX/UI Designer Interview Questions

The questions to prepare for a Duolingo UX/UI Designer interview. Questions from real interview reports rank first. Updated weekly.

37questions
~5htotal time
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1
Product SenseStart here. 5 questions · ~40 min
Align Product With User NeedsMedium

A framework for connecting user needs to business goals, then making product decisions with clear trade-offs and measurable outcomes.

User NeedsValue PropositionProduct VisionDuolingo
Improve Duolingo OnboardingMedium

Tests your ability to diagnose onboarding issues and propose UX improvements for Duolingo.

User ResearchFeature PrioritizationUser NeedsDuolingo
Design Mobile App OnboardingMedium

Tests your onboarding strategy, UX fundamentals, and ability to define a clear first-run experience.

User NeedsMVPUse CasesDuolingo
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2
Execution7 questions · ~56 min
Prioritize Work Across Multiple ProjectsEasy

Explain how you prioritize work across multiple analytics projects with competing deadlines and stakeholders.

Trade-offsRoadmappingScope ManagementDuolingo
Design Grammar Lesson for Language LearnersHard

Evaluates your ability to design language-learning UX for specific learner needs.

creativityDuolingo
First Step on New Design WorkEasy

Assesses your approach to starting design work and setting direction quickly.

design processDuolingo
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3
Behavioral & Leadership23 questions · ~184 min
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4
More topics2 questions · ~16 min
Design Success Metrics FrameworkMedium

Define a practical framework for judging design success using leading, lagging, and funnel-based product metrics.

KPIsConversion RateEngagement MetricsDuolingo
Measure Retention and EngagementMedium

Tests your metrics thinking and your ability to connect UX changes to measurable outcomes.

KPIsRetentionEngagement MetricsDuolingo

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