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.

Previously a product designer at LINE
Currently studying Human-Centered Design & Engineering at UW

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

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

SHIPPED

AI Concept Envisioning Toolkit

Coming Soon!

AI-Powered Movie Recommender

Coming Soon!

SOYUN MOON

⋆⁺₊⋆ ☾⋆⁺₊⋆

WORK

WORK

ABOUT

ABOUT

RESUME

RESUME

RESUME

RESUME

LINKEDIN

LINKEDIN

LINKEDIN

LINKEDIN

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 ☕︎