Web development
Modern websites, web apps, CMS experiences, and clean product interfaces.
Mugencode
Full-stack Developer & Freelancer
I build modern web systems, APIs, and products from idea to production.
About
More than writing code
I ship products
I am an independent developer building reliable products through web, platform, and API & infra development and integration. I focus on understanding business needs and turning them into real, usable systems.
- Location
- Tokyo, Japan
- Focus
- Web · Platform · API & Infra
Services
What I can build
From web products to platform and API & infra integration.
01
Platform development and integration
Build business platforms and connect them with third-party systems and workflows.
API & Infra development and integration
APIs, payment integrations, infrastructure setup, and reliable deployment flows.
Projects
Completed work
01Completed
Credit card payment system
Payment system for accepting, confirming, and processing credit card transactions.
Payment · API · Web
02Completed
BNPL and payment system
Buy Now Pay Later and payment flows integrated into a unified payment platform.
BNPL · Payment · Integration
03Completed
CMS
Content management system for pages, publishing workflows, and editorial updates.
CMS · Web
04Completed
Ecommerce
Ecommerce system with products, orders, payments, and customer flows.
Ecommerce · Payment · Web
05Completed
Restaurant takeout system
Restaurant ordering and takeout system with menus, orders, and payment flow.
Takeout · Orders · Web
06Completed
Discord role subscription system
Discord role subscription system with payment and automated membership management.
Discord · Subscription · API