Leading design for Fingoo 2.0 across mobile and PC platforms. Built a new design system with 20–30 components covering 100+ screens and 40+ user flows, establishing consistent foundations for a fast-moving fintech product.

Conducted competitive UX research and designed end-to-end UX flows and platform UI alongside the team. Role concluded due to startup funding restructure.

Drove a 10× increase in MAU by consolidating fragmented workflows — research, Google Workspace, and content saving — into a single unified tool, eliminating the need to jump between multiple sites.

Designed personalized profile pages that lifted retention and drove sign-ups. Growth in active tournaments followed iterative UX improvements and new feature design on the iScrim platform.

Shipped 4–6 product features over 13 months. Ran user interviews with 4–6 participants and journey mapping sessions. Designed email templates via SendGrid and owned end-to-end UX and UI of the invoice feature.

Contract role covering mobile and web UI alongside graphic deliverables including manual guide covers and presentation templates.

Delivered 4–6 client projects spanning graphics, UI/UX, and logo design over 2.5 years, developing foundational production skills and end-to-end client delivery capabilities.

Product design and development across fintech, wearables, and enterprise SaaS, alongside self-initiated tools, plugins, and experiments. Client Work • Jan–Apr 2024 · FAQIO: UI/UX design and QA testing. Explored LottieFiles and Phase for motion. • May 2024 · Syndicately: Improved onboarding, dashboard, and profile UX for a private investment platform. (1 week) • May–Aug 2024 · All.one: Product design as part of a 5-person team. • Dec 2024–Feb 2025 · Layers Inc.: Designed 20+ watch face UIs. • Apr–May 2025 · CRM Landing: Worked on Salesforce platform based projects. • Oct 2025 · Tudy / Yaho Labs: Contract product design work. Self-Initiated • SVG Stroke Thickness Editor: Figma plugin for batch stroke management. 600+ installs on Figma Community. • Design Auditor for Claude: Design audit skill across 18 categories with EN/KO output. Open-source on GitHub. • Dualtype: macOS tray app for EN/KO note capture, built with TypeScript/Vite + Tauri. • Design Auditor Agent: Published to Notion Marketplace. Submitted to Contra Buildathon. • A11y Analyzer: Chrome extension for ARIA and keyboard accessibility issues. • Relief Shredder: Web app for image shredding, built with Vercel, Windsurf, and Claude. • Context Aware Orchestrator: AI interface with touch, voice, and gaze tracking. Figma Make-a-thon entry. • Fabric Simulation: Cloth physics simulation built with raw WebGL, deployed on Vercel. • My Childhood: Interactive nostalgia project exploring childhood memories through a CRT TV experience.

• Getting to know how marketing works in Korean music industry and doing research work. • Creating marketing/promotional materials for SNS including posts and reels. • Working with the community and learning with them. Achievements : • Helped LMST get more traction on their new song. • Achieved "Top 4 Contributor" for my work.