Product Designer · Builder

Idesigncomplexproducts.ThenIshipthem.

Product Designer at Zone & Co. after Sudozi's 2026 acquisition. Building Sweetspot and GSDAQ.

Experience

Zone & Co.2026 - Present

Sudozi2020 - 2026

Yearend2020 (Acquired by Carta)

Carta2018 - 2020

PayPal2015 - 2018

Now

Two products. Strategy through shipped code.

A Small Business Site That Runs the Business

2026Web · Small Business CommerceBuilding now

Sweetspot · Cafe Mallow

·Product Design · Engineering

A Small Business Site That Runs the Business

I designed and built Cafe Mallow's website, ordering flow, and back office on one shared catalog.

Small BusinessCommerceFull-Stack

sweetspot.laCase study→

2026iOS · Web · AIBuilding now

GSDAQ

·Product Design · Engineering

Explain the Market. Don't Tip It.

An AI market guide that shows its reasoning, sources, and what would change the answer—without placing trades.

AIFinTechMobile

gsdaq.comCase study→

Selected work

Complex systems, made usable.

2020 – 2026Web · Enterprise SaaS

Sudozi → Zone & Co.

·Founding Designer

Procurement Orchestration Platform

Designed from MVP to 100+ enterprise clients. Acquired by Zone & Co. in April 2026.

EnterpriseSaaSB2B

zoneandco.comCase study→

2018 – 2020Web · Enterprise SaaS

Carta

·Product Designer

Investor UX Redesign

Portfolio-first dashboards so investors move from fund health to company detail without spreadsheets.

EnterpriseFinTechB2B

Web · Enterprise SaaSCase study→

2025Mobile · iOS / AndroidIndependent

SAVE

·E2E UX Design

Investment News Platform

Real-time US stock news for Korean investors. 100K DAU in four weeks, 5.0 App Store rating.

MobileFinTechConsumer

Mobile · iOS / AndroidCase study→

2015 – 2018Mobile · iOS / Android

PayPal

·UX Designer

Cash Card & Design System

Mobile banking for 10M+ users and the design system of a newly independent PayPal.

ConsumerFinTechDesign System

Mobile · iOS / AndroidCase study→