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Updated weekly · Last refresh Oct 17

Castlight UX/UI Designer Interview Questions

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

50questions
~7htotal time
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1
ExecutionStart here. 24 questions · ~192 min
Design Critique Process for Banking UXEasy

Explain how you run and participate in design critiques so feedback stays clear, actionable, and aligned across cross-functional partners.

Trade-offsRisk AssessmentScope ManagementCastlight
Manage a Fast Interview ProcessEasy

Explain how you would stay organized and effective through a fast-moving interview loop with multiple assessments.

Success CriteriaRisk AssessmentScope ManagementCastlight
Partner Across Product and EngineeringEasy

Explain how you work with product, engineering, and stakeholders to keep UX/UI work aligned, clear, and executable.

Trade-offsRoadmappingScope ManagementCastlight
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2
Product Sense22 questions · ~176 min
Keep Teams User CenteredMedium

Explain how to keep a product team anchored on real user needs instead of internal opinions or feature output.

User ResearchUser NeedsUse CasesCastlight
Align Design With User NeedsMedium

A framework for tying product design decisions to validated user needs and clear success criteria.

User ResearchUser NeedsUse CasesCastlight
Advocate for Users in DesignMedium

Explain how to keep user needs central throughout the design process, from research through launch and iteration.

User ResearchUser NeedsValue PropositionCastlight
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3
Metrics4 questions · ~32 min
Design Success Metrics FrameworkMedium

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

KPIsConversion RateEngagement MetricsCastlight
Post-Launch Learnings DiscussionEasy

Evaluates reflection on post-launch findings and iterative improvements.

KPIsLeading IndicatorsDiagnosisCastlight
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The finish line: interview-readyComplete all 50 questions to finish this plan.