Software Engineer

Charles

I build scalable, maintainable, and reliable full-stack mobile and web applications.

Projects

Things I’ve Built

A collection of works that turn ideas into real and useful products.

View All Projects
HapHap product preview

HapHap

Full-Stack Developer

A surplus food marketplace app that connects local merchants with customers to rescue unsold meals at discounted prices.

  • Flutter
  • NestJS
  • Prisma
  • PostgreSQL
  • Midtrans
Katasaka product preview

Katasaka

UI/UX Designer

An AI-powered storytelling app that brings Indonesian folk tales to life through interactive digital experiences.

  • React
  • Tailwind CSS
  • Vite
  • Express.js
  • Prisma
  • PostgreSQL
  • Figma
Klean product preview

Klean

Full-Stack Developer

A laundry marketplace that connects customers with trusted local merchants through seamless pickup and delivery.

  • React
  • Tailwind CSS
  • Vite
  • Express.js
  • Prisma
  • PostgreSQL
  • Midtrans
Bersih.In product preview

Bersih.In

Full-Stack & AI Developer

An AI-powered platform that classifies waste images to help users sort and dispose of waste correctly.

  • React
  • Tailwind CSS
  • Vite
  • Express.js
  • Mongoose
  • MongoDB
  • Flask
Karyaloka product preview

Karyaloka

Full-Stack Developer

A freelance marketplace that connects clients and freelancers through a swipe-based matching experience.

  • React
  • Tailwind CSS
  • Vite
  • Express.js
  • Prisma
  • PostgreSQL
  • Midtrans

Skills

Tools I Work With

Technologies, tools, and platforms I use to build and ship products.

  • Flutter
  • React
  • Tailwind CSS
  • Vite
  • Laravel
  • NestJS
  • Express.js
  • Flask
  • Prisma
  • Mongoose
  • Node.js
  • PostgreSQL
  • MySQL
  • MongoDB
  • TypeScript
  • JavaScript
  • Python
  • Kotlin
  • Java
  • XML
  • C++
  • Git
  • GitHub
  • Postman
  • Figma