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Mobile-First Design System
Driving scalable mobile patterns in a desktop-heavy enterprise
Role
Lead Product Designer — Design Systems, UX Strategy, Interaction Design
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Challenge
CoStar’s core platform was architected for large-screen, data-dense workflows. Analysts increasingly relied on mobile in the field, but the existing system lacked scalable patterns to support mobile-first use.
The challenge: transform a desktop-first ecosystem without disrupting existing mental models or technical constraints.
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My Contribution
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Led UX audit identifying inconsistencies and accessibility issues
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Defined breakpoints, mobile-first structures, and component behaviors
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Partnered with engineering for scalable implementation across codebases
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Built Figma documentation and governance to support adoption
Impact
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Introduced mobile-first foundations across a legacy desktop product
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Increased design velocity through reusable components
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Improved accessibility, interaction consistency, and modular flexibility
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Enabled product teams to scale mobile patterns across new features
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Outcome
A mobile-first system that supports fast field workflows, improves usability, and aligns interaction patterns across mobile and desktop.
Mobile
Laptop
Large Desktop
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