Japan / Remote

Full-Stack Engineer

I support web application development across SaaS products, internal tools, admin screens, and AI integrations. I have 14 years of full-stack development experience.

Development support, investigations, implementation, and AI agent workflows.

Recent writing

All posts

May 13, 2026 / dev.to

TanStack Was Not the Whole Story: Mini Shai-Hulud Was an npm/PyPI Supply-Chain Worm

How the TanStack npm compromise fits into the broader Mini Shai-Hulud campaign across npm, PyPI, GitHub Actions, IDE hooks, and CI/CD secrets.

Recent projects

AI assistant for project management SaaS

Implemented AI assistant features in a widely used business SaaS product.

Professional work

AI analysis feature for a listed company

Implemented an AI analysis feature around an existing product, business data, permissions, and product constraints.

Professional work

docs-ssh

Experimental tool for giving AI agents access to local documents over SSH.

OSS / AI agents

slack-ai-assistant

AWS-based sample architecture for an AI assistant running on Slack.

OSS / AWS

Skills

Languages: TypeScript, Node.js, Golang
Areas: Front-end development, server-side development, AI integration, AI agents
Experience: Browser-based AI agents, SaaS development, internal tools, admin screens

Work inquiries

I'm available for small investigations, code reviews, partial implementations, and development support.
Pricing depends on the scope, duration, and responsibility of the work.