JUSTIN
CHAI
Consumer product designer turning ambiguous problems
into scalable products.
9+ years across discovery, shopping, payments, and retention—grounded in research
and entrepreneurship, using AI and code to prototype and validate.
2024 - 2025
Transforming a high-touch affiliate program into a scalable growth system.
Designed a self-serve experience for affiliates to join, earn, and grow.
2024
Introducing Global+ marketplace without disrupting the familiar shopping experience.
Designed the end-to-end marketplace experience across discovery, storefront, cart, and checkout.
Top Charts — Turning endless browsing into confident decisions.
Designed a ranking experience to help shoppers discover trusted products and choose with confidence.
2021
Making music more social with Group Playlists.
Designed a collaborative playlist experience for friends to build, share, and listen together.
