MASSCON
I build mobile apps and web platforms that help businesses grow.
About
7+ years experience • Multiple freelance projects • Hong Kong & South Korea
Cross-Platform Expert
Building scalable solutions across Android, iOS, and web platforms
Bilingual
Half my life in Hong Kong, half in Korea — fluent in English & Korean
AI & Modern Tech
Strong focus on AI integration and cutting-edge web & app technologies
🎓CUHK Computer Engineering
Technical Skills
Where I've Worked
Full Stack Developer @ MASSCON / Freelance
- Architected and deployed scalable web applications using Next.js and Supabase for various international clients.
- Implemented AI-driven features using OpenAI API throughout multiple client projects.
- Optimized application performance, achieving 95+ lighthouse scores.
CTO @ PPLECT Co.
- Led development team to build GameLife and Random Quiz Battle apps.
- Designed the core system architecture using Flutter for mobile and Node.js for microservices.
- Built real-time matching system and backend infrastructure using Firebase and GCP.
Android Developer @ AlphaBridge Software
- Developed native Android applications using Java and Kotlin.
- Implemented UI with XML layouts following Material Design guidelines.
- Integrated RESTful APIs and managed local database (SQLite).
Selected Work
moClap
Live streaming app utilizing avatars for real-time viewer interaction.
GameLife
Matching service for gamers based on play styles and gaming tendencies.
Random Quiz Battle
Real-time general knowledge competition game with random matchmaking.
daPosting
AI-powered service for converting blog posts into social media formats.
uDocit
AI-powered project scope management tool that converts vague client requirements into clear technical documentation.
Get In Touch
Have a project in mind? I'm currently available for freelance work and would love to hear from you.