Teruo Kunihiro

Experience

Freelance full-stack software engineer based in Fukuoka, Japan. I have 14 years of experience in web application development, with recent work focused on AI-powered systems using LLMs and AWS Bedrock.

GitHub / LinkedIn

Skills

AI / LLM
AWS Bedrock, AI integration, Claude API, MCP, Mastra, assistant-ui
Frontend
TypeScript, JavaScript, React
Backend
Golang, Java, Node, PostgreSQL, MySQL
Cloud / Tools
AWS, Claude Code, Codex, GitHub, CI/CD

Experience

May 2026 - Present

Freelance Software Engineer

  • Focused on AI-powered systems, web applications, and backend development.

2021 - Apr 2026 / Nulab Inc

Software Engineer, AI Systems

  • Implemented AI assistant features for Backlog, a project management SaaS.
  • Designed chat-based workflows and interfaces around existing product constraints.
  • Built supporting backend services with TypeScript and Golang, including a Backlog MCP server for AI agents.
  • Built and maintained Git hosting middleware and gRPC endpoints using Golang.
  • Migrated a single-instance Git server to a distributed system with Golang for high availability and redundancy.

2016 - 2020 / Nulab Inc

Full-Stack Software Engineer / Frontend Engineer

  • Worked on Cacoo and led frontend development for a real-time collaborative drawing system.
  • Designed frontend architecture, improved performance, and optimized the development environment.
  • Built CI pipelines and unit testing frameworks.
  • Contributed to API server development with Golang and Java.
  • Maintained legacy frontend codebases and improved compatibility.
  • Took a one-year parental leave from 2020 to 2021.

2012 - 2016 / Quants Research Inc

Software Engineer

  • Developed web systems for financial companies using Java, JavaScript, and MySQL.
  • Worked with a focus on backend development.

Open source

docs-ssh

Local-first tool for browsing local documentation over SSH and a web viewer.

TypeScript

slack-ai-assistant

Slack-based assistant built with AWS Lambda, CDK, and Claude Managed Agents.

TypeScript / AWS

backlog-mcp-server

MCP server for integrating Backlog with LLMs and AI agents.

Previous OSS / TypeScript

Education

Nagoya University
School of Information and Sciences, Computer Science / Mar 2012