Open to Opportunities in Europe
Full-StackEngineer
& AI Practitioner
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5+ years building enterprise systems and AI-powered applications. Currently driving AI adoption at an education company in Japan.
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Years Experience
0
Systems Built
Hi, I'm Eiji
Full-stack engineer with deep backend expertise in Spring Boot and TypeScript. I design and build AI agent systems using LangGraph, and I use Claude Code daily to ship faster and better.
Frontend
React, Next.js, TypeScript -- modern, type-safe UIs
Backend
Spring Boot (5yr), FastAPI -- enterprise-grade APIs
Cloud & AI
Azure, AWS, LangGraph AI agents
Core Technologies
Spring BootTypeScriptNext.jsAzureFastAPILangGraph
Latest Blog Posts
Tech articles and engineering insights
Projects
Production applications and side projects
Menu Judge
An AI-powered web application for understanding restaurant menus abroad. Simply take a photo of a menu to instantly get dish name translations, spiciness and sweetness levels, and ingredient and allergy information.
Tech Stack
PythonFlaskClaude APITailwind CSSHTMXAlpine.js
Key Features
- Translation of dish names to English
- Spiciness and sweetness level display (1-5 scale)
- Ingredient and allergy information
Mindmap TODO
A task management application featuring an interactive tree-based layout powered by React Flow and Dagre. It includes completion checkboxes, branch expand/collapse, one-click sub-task creation, inline task name editing, bulk deletion of tasks and related sub-tasks, and auto-save with local storage.
Tech Stack
ReactTypeScriptReact FlowZustandTailwind CSSVite
Key Features
- Visual tree-based layout
- One-click sub-task creation
- Auto-save with local storage