Ji Min Sung

Product Designer | Currently studying HCI at UW

Product Designer | Currently studying HCI at UW

Specializing in Human-AI Interaction & Design Systems, building intuitive workflows from IA to shipped front-end. I diagnose before I design, cut what doesn't serve the user, and ship the result myself.

Tool Library Admin Rebuild

Rebuilt a nonprofit's admin platform from a locked desktop system into a mobile-first dashboard, replacing 4 plus weeks of volunteer onboarding with a self-serve in-app tutorial.

Onboarding: 4+ wks → 3 shifts

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Contra Website

70%

in Non-Violent Tone Accuracy

AI Comment Intervention

An AI comment assistant that helps Reddit users communicate with less hostility, built on a scalable design system and grounded in Nonviolent Communication research. Improved tone accuracy by 70%.

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Contra Website

61.9

in Scroll Depth

Zero Guesswork Navigation

Rebuilt the information architecture and navigation for a high-traffic nonprofit so first-time visitors could find a clear path. Drove a 61.9% increase in scroll depth.

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Contra Website

All-in-One Trip Planning

Self-initiated design of an AI-driven post-booking flow that converts reservations into personalized trip plans. By automating complex planning to reduce decision fatigue, this redesign achieved a 92% user satisfaction.

92% Satisfaction

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Contra Website

Tool Library Admin Rebuild

Rebuilt a nonprofit's admin platform from a locked desktop system into a mobile-first dashboard, replacing 4 plus weeks of volunteer onboarding with a self-serve in-app tutorial.

Onboarding: 4+ wks → 3 shifts

View Case

Contra Website

70%

in Non-Violent Tone Accuracy

AI Comment Intervention

An AI comment assistant that helps Reddit users communicate with less hostility, built on a scalable design system and grounded in Nonviolent Communication research. Improved tone accuracy by 70%.

View Case

Contra Website

61.9

in Scroll Depth

Nonprofit UX Rebuild

Rebuilt the information architecture and navigation for a high-traffic nonprofit so first-time visitors could find a clear path. Drove a 61.9% increase in scroll depth.

View Case

Contra Website

All-in-One Trip Planning

Self-initiated design of an AI-driven post-booking flow that converts reservations into personalized trip plans. By automating complex planning to reduce decision fatigue, this redesign achieved a 92% user satisfaction.

92% Satisfaction

View Case

Contra Website