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Designing the moment before decision.

A product designer who builds in code, bringing engineering judgment and design craft to AI-native and enterprise products.

Selected Work

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Actian · Enterprise AI

AI that takes data teams from alert to fix.

Engineers had every signal and no guidance. The system gives them the next move, in context.

~25% faster onboardingReusable AI system
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UX Designer · 2025

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ASUS · Design Systems

The web design system 30+ ASUS teams build from.

ASUS web teams each rebuilt the basics their own way. This made one accessible foundation the default.

60→95% brand compliance30+ experience templates
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Design System Architect · 2022

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ASUS ProArt · Consumer Web

Helping creators choose the right machine, not the spec.

Creators faced near-identical spec sheets. The redesign organizes the range around the decision, not the catalog.

+25% category engagement80% of a11y issues closed
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Lead UI Designer · 2023

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Bumble · Consumer

Insights that help daters swipe less and choose better.

Daters swipe on autopilot. This turns their own patterns into a reason to slow down.

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Concept

Product Designer · 2025

E.SUN Mobile Banking home in hand — frequently used functions and deposit overview.

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E.SUN Bank · Mobile Banking

A national banking app that makes the next task obvious.

Core flows for E.SUN Mobile Banking (玉山行動銀行), used by millions. Process and numbers are under NDA; the screens are what shipped.

3.2M+ digital customers4.9★ App Store
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Senior UX Designer · 2024

Lab

I design and build with AI

About

Portrait of Christy Yao.

Hi, I'm Christy.Product designer in New York.

I started in electrical engineering, where I learned that every system is a set of decisions someone else has to live with. I found I cared more about the someone else than the system, which pulled me toward design and through a Master of Product Innovation at Carnegie Mellon.

Today I design AI-native and enterprise products, and I build in code, including this site, so ideas are tested where they will actually live.

When I'm not designing, I spend a lot of time in museums and trying new tools. I'm mostly looking for the same thing in both.

Previously

Actian

UX Designer

E.SUN Bank

Senior UX Designer

ASUS

Senior UI Designer

How I Work

I design like an engineer.

I was an engineer first, so I know where designs break.

It's rarely in the mockup.

Decide

I design the decision, not the dashboard.

Dashboards show you everything. I care about the one moment you decide.

Most of the projects I work on are about that gap.

I design in working code.

I test ideas in working code, not decks.

You are looking at one right now.