MASSCON
Available for Projects
HKG 22.3193° NSEL 37.5665° N

MASSCON

I build mobile apps and web platforms that help businesses grow.

Available for ProjectsSYS / 001
ORBIT 05 / 05HK ↔ KR
018+

Years Experience

02CUHK

CUHK Engineering

03HK ↔ KR

Hong Kong & Korea

01 / 05

How I Can Help

Services tailored for your business

MOD / 01

Mobile Apps

Native iOS/Android and cross-platform apps using Flutter, Swift, and Kotlin.

READY
MOD / 02

Web Applications

Full-stack web platforms with Next.js, React, SvelteKit, and modern frameworks.

ONLINE
MOD / 03

AI Integration

Integrate AI capabilities into your products - chatbots, automation, and smart features.

READY
MOD / 04

Backend & APIs

Scalable backend systems, REST APIs, real-time features with Node.js and cloud services.

ONLINE
MOD / 05

Cloud & DevOps

Production-ready deployments, CI/CD, containers, and cloud infrastructure across AWS, GCP, and Vercel.

READY
MOD / 06

Technical Consulting

Architecture planning, tech stack decisions, and development strategy.

ONLINE
02 / 05

Selected Work

Real results for real clients

LIVE ARCHIVE01 / 05
moClap
Live Streaming

moClap

Live streaming app utilizing avatars for real-time viewer interaction.

Google Play 4.5★
FlutterWebRTCNode.js
03 / 05

About

Full-Stack Freelance Developer

SIGNAL RECEIVED22.3193° N → 37.5665° N
PROFILE / 03 SIGNALS

Full-Stack Freelance Developer

  • 01
    Cross-Platform Expert

    Building scalable solutions across Android, iOS, and web platforms

  • 02
    Bilingual

    Half my life in Hong Kong, half in Korea — fluent in English & Korean

  • 03
    AI & Modern Tech

    Strong focus on AI integration and cutting-edge web & app technologies

8+ years experience • Multiple freelance projects • Hong Kong & South Korea
EDU / 01CUHK Computer Engineering
SYSTEM MAP

Technical Skills

04 / CONSTELLATIONS

01

Frontend Technologies

React
Next.js
TypeScript
JavaScript
TailwindCSS
02

Backend Technologies

Node.js
Python
PostgreSQL
MySQL
Supabase
Firebase
03

Mobile Development

Flutter
Swift
Kotlin
04

DevOps & Tools

AWS
GCP
Docker
Git
Vercel
Railway
Figma
GitHub
FLIGHT LOG

Where I've Worked

CAREER TELEMETRY2018 → NOW
LOG / 012023 - Present

MASSCON / Freelance

Full Stack Developer

  • 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.
SvelteKitNext.jsReactWebRTCSupabaseAWSAI
LOG / 022019 - 2023

PPLECT Co.

CTO

  • 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.
FlutterDartFirebaseNode.jsGCP
LOG / 032018 - 2019

AlphaBridge Software

Android Developer

  • 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).
JavaKotlinAndroid SDKXML
05 / 05Available for Projects

Get In Touch

Have a project in mind? I'm currently available for freelance work and would love to hear from you.