Mercari
I led design for the Mercari marketplace — both the website and mobile app (iOS & Android). A peer-to-peer buying and selling platform with 100M+ installs, where users list items in seconds and find deals up to 70% off retail across clothing, electronics, collectibles, and more.
Project Highlights
Led the design system initiative that unified the visual language across web, iOS, and Android — establishing shared color contrast ratios, component libraries, and interaction patterns that reduced design-to-engineering handoff time.
Designed the listing flow to minimize friction: sellers can photograph, describe, price, and publish an item in under 60 seconds, driving higher listing volume and seller retention.
Built accessible, mobile-first experiences with careful attention to color contrast, typography hierarchy, and touch targets — contributing to a 4.8-star App Store rating from 1.9M+ reviews.
See It in Action
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