Hi, I'm Soyun.
I design scalable product experiences
by untangling complex business systems.
Hi, I'm Soyun.
I design scalable product experiences
by untangling complex business systems.
Hi, I'm Soyun.
I design scalable product experiences by untangling complex businss systems.
Hi, I'm Soyun.
I design scalable product experiences
by untangling complex business systems.
Selected Works
From digital banking to premium membership, I designed products within LINE’s 200M+ user ecosystem, turning complex systems into simple, engaging experiences.
FINTECH
FINTECH
SOCIAL MEDIA
SOCIAL MEDIA
MEMBERSHIP
MEMBERSHIP
SHIPPED
Easy Loan for Merchants, LINE Bank
Led a loan renewal project for small merchants, simplifying the application process and reducing drop-off rates by 56%.
SHIPPED
QR Payment, LINE Bank
Optimized checkout flows and integrated a QR code customization to boost engagement, increasing monthly transactions by 134%.
SHIPPED
Custom App Icon, LINE & Yahoo! Japan Premium
Custom App Icon, LINE & Yahoo Japan Premium
Designed and managed a new Custom App Icon personalization feature, driving a 228% increase in new subscriptions.
Admin Page, LINE Bank Business Account
Crafted web interfaces for the corporate accounts admin page, streamlining B2B financial workflows for 20+ Japanese enterprises.
SHIPPED
Easy Loan for Merchants, LINE Bank
Led a loan renewal project for small merchants, simplifying the application process and reducing drop-off rates by 56%.
SHIPPED
QR Payment, LINE Bank
Optimized checkout flows and integrated a QR code customization to boost engagement, increasing monthly transactions by 134%.
SHIPPED
Custom App Icon, LINE & Yahoo! Japan Premium
Designed and managed a new Custom App Icon personalization feature, driving a 228% increase in new subscriptions.
Admin Page, LINE Bank Business Account
Crafted web interfaces for the corporate accounts admin page, streamlining B2B financial workflows for 20+ Japanese enterprises.
SHIPPED
Easy Loan for Merchants, LINE Bank
Led a loan renewal project for small merchants, simplifying the application process and reducing drop-off rates by 56%.
SHIPPED
Custom App Icon, LINE & Yahoo! Japan Premium
Designed and managed a new Custom App Icon personalization feature, driving a 228% increase in new subscriptions.
SHIPPED
QR Payment, LINE Bank
Optimized checkout flows and integrated a QR code customization to boost engagement, increasing monthly transactions by 134%.
Admin Page, LINE Bank Business Account
Crafted web interfaces for the corporate accounts admin page, streamlining B2B financial workflows for 20+ Japanese enterprises.
Designing with AI
I explore how AI can support new ways of designing, from generating ideas to building rapid prototypes, while keeping human values and interpretability at the center.
AI
AI
DESIGN TOOLKIT
DESIGN TOOLKIT
SOYUN MOON
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Let's work together!
soyunm.designer@gmail.com
© Soyun Moon 2026
Powered by coffee and good music ☕︎
© Soyun Moon 2026
Powered by coffee and good music ☕︎