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Updated weekly · Last refresh Aug 30

Costar Group UX/UI Designer Interview Questions

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

24questions
~3htotal time
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1
ExecutionStart here. 5 questions · ~40 min
Build a Scalable Design SystemMedium

Explain how you would create and maintain a scalable design system that improves reuse and consistency without becoming too heavy to adopt.

process improvementdesign systemcomponent reuseCostar Group
Accessibility and Marketing BalanceMedium

Tests your ability to align brand and conversion goals with accessibility and inclusive design requirements.

Trade-offsExecutionScope ManagementCostar Group
Adobe Creative Suite ExperienceMedium

Tests your practical tool proficiency for UX/UI design production.

experienceCostar Group
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2
Product Sense5 questions · ~40 min
Competitor Trend EvaluationMedium

Tests your competitive UX thinking and your ability to justify design decisions with user impact.

User ResearchFeature PrioritizationProduct VisionCostar Group
Redesigning Poor UXMedium

Tests your product sense, problem framing, and ability to propose actionable UX improvements.

User NeedsPain PointsUse CasesCostar Group
From Research to PrototypesMedium

Tests your research-to-design workflow and your ability to turn insights into testable UI concepts.

User ResearchUser NeedsUse CasesCostar Group
Redesigning Real Estate AnalyticsHard

Tests your ability to improve usability in data-heavy workflows while maintaining power-user functionality.

User NeedsValue PropositionPain PointsCostar Group
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3
Behavioral & Leadership14 questions · ~112 min
Handling Design Feedback From StakeholdersEasy

Tests how you receive design criticism from non-design partners, communicate clearly, and balance stakeholder input with user-centered decisions.

Stakeholder ManagementCommunicationfeedbackCostar Group
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The finish line: interview-readyComplete all 24 questions to finish this plan.