An Impact-driven Product designer

SIDE PROJECT (2026)

I built and shipped a rider-driver shuttle platform for a Korean church community in Singapore, using Codex not just for code generation but to move from problem framing to API contracts, native apps, driver-side arrival signals, store releases, and launch storytelling. View Case Study

Figma + AI project (2025)

I saw the potential of the CTTF open-source MCP and contributed core automation tools. After observing major installation friction during workshops, I started building TalkToFigma Desktop to make MCP truly usable for non-engineer designers. View Case Study

Hackathon project (2024)

form-helper-chrome transforms form error handling with Chrome’s Built-in AI, delivering instant, personalized solutions that enhance user experience and streamline data entry View Case Study

Figma + AI project (2024)

Klever showcases my journey from concept to creation, developing an AI-powered Figma plugin for usability testing. Community engagement was pivotal in its evolution, with its potential recognized by corporate entities 🎉 View Case Study

Figma + AI project (2023)

Open source Contribution to the Figma Autoname plugin, integrating TensorFlow.js for advanced design system support and developer collaboration View Case Study

Figma + AI project (2021)

A project using TensorFlow to create an assistant, that helps designers by keep-watching numerous design elements instead of humans. View Case Study

Design system (2020)

LINE Design System Global project started to make everyone’s life easier. It gives designers the elements and guidance they need to work within an approved structure. It helps developers work with predictable, consistent components. And it helps businesses maintain or design products, faster — all with consistent user experiences. View Case Study

Update features (2020)

LINE’s LIFF (LINE Front-end Framework) is a platform for running web apps and offers a browser, namely, LIFF Browser. LIFF apps, web apps implemented with LIFF, run on LIFF Browser. LIFF also provides the LIFF API for you to obtain data from LINE, such as LINE user ID, and enables you to send LINE messages on behalf of the user. View Case Study

DEV TOOLS (2019)

LINE GAME Developers is a ‘Firebase-like’ web application that provides LINE’s APIs and documents for game developers to enrich games with LINE messager. As a Product designer, modernized user experiences of LINE GAME Developers by defining a UI framework that is effortless, refined, and beautiful for all screen sizes View Case Study

Design system (2019)

LOOKBOOK is the UX extension library for reusable, systematic design based on Google Material Design System backed by Open Source. View Case Study

SIDE PROJECT (2018)

Orderbook(모두의 주문) is a service that customers order directly from the table with a mobile QR code. View Case Study

DEV TOOLS (2017)

As a Product Manager/Designer, I was in charge of the Redesign project for LINE GAME Developers site as known as 'GDC', which is a in-house web site for the partner developer, and provided in-game platforms such as leaderboard system, achievement system, and game stamina system. View Case Study

SIDE PROJECT (2016)

An intelligence chat-bot powered by Google analytics, Dialogflow and LINE API. View Case Study

SIDE PROJECT (2015)

Design, developed, and launched company's cafeteria application (SK planet, WHONEED). My friends and I thought it was inconvenient for us not to have the restaurant application for our company's cafeteria. So we made the Android app and web service. In addition, because we agreed to try out some fun ideas in this dining service, we tried out several services like Eddystone Beacon or Firebase. View Case Study

DEV TOOL (2015)

The CMS integration project of 3 major telecom operator as well as the leading web portal NAVER’s app stores in Korea, called ‘ONE store project’. View Case Study

DEV TOOL (2013)

T store Developer Center는 App, VOD, E-book등 다양한 콘텐츠를 T store Mall에서 자유롭게 등록 및 판매할 수 있도록 거래를 중계하는 플랫폼이다. 상품을 판매하기 위해 필수적인 Developer Center는 2010년 2.0 고도화가 진행된 이후 별도의 개선작업을 진행하지 못하였다. 우리는 빠르게 변화하는 시장 환경을 분석하여, 현재 개발자센터의 문제점을 파악하고, 해결하기 위해 ”T store Develop Center 3.0” 프로젝트를 수행하였다. View Case Study