A Japanese vocabulary PWA that captures words with AI (Gemini + Jisho) and drills them with SM-2 spaced repetition — built for my own daily life in Japan.
- Next.js
- TypeScript
- Supabase
- Gemini
- PWA

Hello, I’m
I’m a full-stack engineer who enjoys building fast and accessible web applications.
Always learning and looking for ways to improve, both technically and personally.
EC x DX AI-driven product development 0 → 1, contributing to the company’s growth.
My first full-time job in Japan, contributing to company products.
My first experience working in Tokyo, Japan.
Worked on design, development, and maintenance of front-end products.
Worked at a major Indonesian bank as a web developer.
Developed and maintained web-based client projects.
Things I’ve designed and built.
A Japanese vocabulary PWA that captures words with AI (Gemini + Jisho) and drills them with SM-2 spaced repetition — built for my own daily life in Japan.
This bilingual portfolio and blog, including the “Ask about Yudi” AI assistant and a full SEO/structured-data setup. Open source.
Have a project or idea in mind? I’m always up for interesting collaborations — let’s talk.