01
NEXUSWORK OS
An integrated in-house ordering and project management platform.
A modern AI-powered operations management system unifying customers, projects, estimates, and business processes.
WORK / 01
Layer thought, then shape it.
Expanding what working people can do through technology. Turning business complexity into simplicity through the products I build.
02
Selected Projects
Products actually built.
02
NOTERA AI
Turn documents into usable knowledge.
A graduation project that turns video and images into source-aware notes while using AI to break the problem into verifiable pieces.
03
KIROKU
Connect your thinking.
A personal management system I use daily, connecting capture, organization, search and review from Discord through OpenClaw to my NAS.
04
WAKOU SELECT
Beautiful choices for everyday life.
A public brand demo I designed and built for friends. It is not yet operating as a full service, and actual sales remain on third-party platforms.
05
KENLIN.CC
A personal portfolio bringing technology, photography, and thought together.
A readable site bringing technology, photography and thought together, refined through AI-assisted design reviews.
06
Career experience
Development at my company: a lunch-ordering system, logistics, and a business-card app.
The projects I worked on at my company, from new-hire training to team development and app improvements.
07
AI DEVELOPMENT WORKFLOW
A development workflow shared between AI and humans.
An AI-assisted workflow where people retain judgment and responsibility — a practice still being shaped through use.
03
Working method
A look at the business systems I build and the tools I use day to day.
Business system development
I work on business systems with Spring Boot, React, and PostgreSQL, building practical development experience.
Spring Boot / React / PostgreSQL
Tools in my daily work
I mainly use OpenCode and Codex to read documentation, write code, and run tests, then check the work and results myself.
OpenCode / Codex
04
Certifications
Certificates and ongoing study.
- 2026Oracle Certified Java Programmer, Gold SE 11
- 2026JDLA Deep Learning for GENERAL (G検定)
- 2025Oracle Certified Java Programmer, Silver SE 11
- 2025Python 3 Engineer Certified Data Analysis Examination
- 2025Python 3 Engineer Certified Basic Examination
- 2025AI検定R
- 2024Japanese-Language Proficiency Test N1 (JLPT N1)