Hi, I’m Euijin ✶
Product designer shaping complexity into clarity —
crafting visual systems and building structured digital experiences
Drawn to ambiguity, scale, and where innovation meets practicality.
A prevention-focused digital health MVP
6 in-depth interviews and prototype testing shaped an early digital + physical MVP, supported by a SaaS analytics dashboard for tracking long-term health progress.
Improving Content Retrieval in IG Saved
User testing (6 interviews, 30 usability testers) improved retrieval speed by 88% and increased task success from 33% to 96%
Designing an interactive quantum learning app
Won 1st place for designing an interactive app that makes neutral-atom quantum computing more understandable
Making AI outputs more transparent
Designed a lightweight browser extension that surfaces risk, uncertainty, and evidence signals to help users better evaluate AI-generated responses




Hi, I’m Euijin ✶
Product designer shaping complexity into clarity —
crafting visual systems and building structured digital experiences
Drawn to ambiguity, scale, and where innovation meets practicality
A prevention-focused digital health MVP
6 in-depth interviews and prototype testing shaped an early digital + physical MVP, supported by a SaaS analytics dashboard for tracking long-term health progress.
Improving Content Retrieval in IG Saved
User testing (6 interviews, 30 usability testers) improved retrieval speed by 88% and increased task success from 33% to 96%
Designing an interactive quantum learning app
Won 1st place for designing an interactive app that makes neutral-atom quantum computing more understandable
Making AI outputs more transparent
Designed a lightweight browser extension that surfaces risk, uncertainty, and evidence signals to help users better evaluate AI-generated responses



