💻 Full Stack Developer
📍 Based in Kyoto, Japan
🇯🇵 JLPT N4 certified – currently preparing for N3 (July 2026)

• 🗓️ LeaveFlow:
  Vacation management system built with microservices using .NET 10, React + TypeScript, and PostgreSQL.
  Includes an API Gateway (YARP), JWT auth, CQRS (MediatR), Docker Compose, and role-based access (Admin, Manager, Collaborator) with vacation approval workflows and conflict validation.

• 📦 StockTrack:
  Inventory and sales management platform built with React, Node.js, Prisma, TypeScript, and MySQL, featuring product tracking, supplier management, and automated reports.

• 🏠 Gajyun Portal:
  Work schedule and task management for hostels. Built with React, Firebase, and Firestore.

• 🧾 Gajyun ETL:
  Automates passport data collection and eliminates paper usage using C# and .NET.

☁️ Cloud Architecture (GCP, serverless apps)
📊 Data pipelines with BigQuery and ETL automation
🇯🇵 Japanese – JLPT N3 preparation

• 🗓️ LeaveFlow
  

• 📦 StockTrack
  

• 🏠 Gajyun Portal
  

⭐ “Code. Learn. Iterate. Improve.”