Senior AI & Full Stack Engineer with 8+ years of experience building scalable SaaS platforms, AI applications, and cloud-based systems.
Strong experience with LLMs, RAG, AI agents, LangChain, OpenAI APIs, FastAPI, React, Kubernetes, and AWS. I focus on writing clean, reliable, and easy-to-maintain code — handling the full development process from system design and backend development to AI integration, frontend, deployment, and performance improvements.
AI
Backend
Frontend
DevOps
English
Japanese
Build intelligent applications powered by AI. From chatbots and content generation to document analysis and automated workflows, I create AI solutions that solve real business problems.
Complete web applications from front to back. Modern, responsive interfaces paired with robust server-side logic, databases, and APIs. Scalable solutions that grow with your business.
Streamlined deployment pipelines with Docker and AWS. Automated testing, continuous integration, and reliable deployments across development, staging, and production environments.
Fast, secure REST and GraphQL APIs that connect your applications. Clean architecture, efficient database design, and comprehensive documentation for seamless integration.
Takumi delivered an outstanding AI pipeline that dramatically improved our knowledge retrieval accuracy. His expertise in LangChain and RAG is exceptional.
CTO at IntelliAI Solutions
100,000+ Lines Written
8+ Years Experience
5+ Countries Worked
20+ Projects Shipped
