Karina Su · Senior Product Designer · Design Technologist

I pair strong visual design with AI-powered building to take products from 0 to 1, across fintech, enterprise and AI.

Enterprise · UX designerBinance fraud detection

Turned a dense, table-based fraud tool into an interactive money-flow map. Daily case reviews doubled for 25 risk analysts, from 10 to 20 cases each.

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2×daily case reviews per analyst

Binance fraud detection prototype playing on a monitor, with an analyst and an alert illustration

AI agent · Founding product designerSolayer AI Pay

A voice agent that finds, orders and pays inside the conversation, cutting everyday purchases from 6 steps across two apps to 4 in one. Designed and shipped as a working prototype with Claude and Vercel.

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6 → 4steps to pay, two apps to one

Solayer AI Pay prototype playing on an iPhone, with the frog mascot, a voice request, the AI orb and a Face ID payment

Mobile · Founding product designerMargin Trade Simple Mode

Cut the path from opening the app to an order from seven steps to four: a simple mode for everyone, with the full pro terminal one switch away.

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+15%trading volume

Margin Trade simple mode on three iPhones: markets, home and the Bitcoin market

Fintech · Founding product designerSolayer Pay

Took a crypto Visa card app from 0→1, then rebuilt it around the card in three data-driven iterations.

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+38%card sign-up rate

Live recording of the Solayer Pay prototype on an iPhone, with the Solayer Visa card and a referral notification

More work

Two more, if you have time.

DEX · $1M+ daily trading volumeMargin TradeView case study

Screen recording of a BTC trade on Margin Trade

ENTERPRISE AI · +8.3% work efficiencyMicrosoft Word AI Co-AgentView case study

CoAgent generating assumptions inside Microsoft Word

About Karina

My story

Three continents. Five homes. Thirty countries. Curiosity is my design tool.

I started in fintech and now design for AI. With roots in information management, industrial design and HCI, I think in systems, care about craft and start with people.

I grew up in Taipei in a family of engineers, then studied product design in London and human-computer interaction in California. I have been a founding designer twice and a designer inside 4,000-person companies like Binance and Grab, always with engineers, PMs and the whole cross-functional team in the room. I build for the business and for the person on the other side of the screen. Both have to win.

How I work: I prototype in Claude and ship on Vercel. I build the design system as variables in Figma, embed those tokens in Claude, and ship the product with Claude and Git to GitHub, together with engineers.

30+

countries traveled

countries lived in

2×

founding designer

4,000+

people, largest company

View my resume