Full-stack Software Engineer based in Fukuoka, Japan
SaaS, internal tools, APIs, admin screens, and existing web applications. Recently working around AI integration systems and AI agents.
Website · CV · LinkedIn · DEV · Zenn
- 14 years of full-stack web application development
- Experience across frontend, backend, APIs, internal tools, and SaaS products
- Recent work includes AI assistant features, AI integration systems, MCP servers, and agent workflows
- I care about shipping maintainable systems with practical developer experience
| Area | Focus |
|---|---|
| Frontend | TypeScript, React, UI architecture, chat UX, performance, developer experience |
| Backend | Golang, TypeScript, API design, integrations, data modeling, background jobs |
| AI systems | AWS Bedrock, Claude API, MCP, tool calling, workflow integration |
| Delivery | CI/CD, observability, maintainable systems |
| Project | What it is | Tech / Notes |
|---|---|---|
| docs-ssh | Tool for giving AI agents access to local documents over SSH | TypeScript · AI agents |
| slack-ai-assistant | AWS-based sample architecture for an AI assistant running on Slack | TypeScript · AWS |
| backlog-mcp-server | MCP server for integrating Backlog with LLMs and AI assistants | TypeScript · previous OSS work |
| ai-utils (aiu) | Prompt template runner for locally installed AI CLIs | Go · local-first workflow |
| ai-docs | Keeps AI-generated memory files clean and versioned with Git worktrees | Go · developer workflow |
I write about AI engineering and developer workflows: