SELIT
Co-founder & CTO
In operation
Advertising production platform connecting clients and freelance contributors. CTO in a three-person founding team comprising the CEO, CMO and CTO.
- Prioritized intake improvements around a one-person support operation. Replaced product-tag selection with conversational intake that collects client needs and checks required information.
- Used SQL to calculate time from request submission to first draft and from feedback receipt to implementation of requested changes, helping prioritize AI adoption candidates.
- Designed role-based handoffs and UX; built most frontend and backend functionality with AI-assisted tools.
- Platform managing 59 ongoing projects (dashboard, Sep 24, 2026).
View the work ↗Independent iOS apps
Product design, development & release
Five apps released on the App Store
TasTimer · YoonSTT · BrainBell · SwingForge · Mote
- Shipped five iOS apps. For SwingForge, examine Firebase usage patterns and customer emails to identify possible improvements.
- Evaluated ball-detection candidates in development; held the new model out of production pending real-video and user validation.
View the work ↗Bookaroo
Co-founder & Product Designer
Sep 2024 - Mar 2025 · Venture concluded
Hand-gesture story activities for children aged approximately 5–8 with brain lesions in hospital rehabilitation settings.
- Actual feedback led me to prioritize small movements and repeated experiences. I shaped hand movements into story missions and designed activity screens for children and progress views for caregivers.
- Co-founded the venture for about six months and built a prototype. The team received angel funding; the venture later concluded.
View the work ↗LETOILE
Creative Director
Sep 2023 - Dec 2024
Fashion brand launch.
- Led branding and marketing strategy for a fashion brand launch.
View the work ↗PIINO UI/UX Agent
UX Designer Intern
Jan - Mar 2021
UX/UI project for Lotte Capital’s MyData financial app.
- Contributed financial data visualisations and user interface designs.