Shimae

Senior Software Developer based in Japan 🇯🇵

Building production-grade financial applications with a focus on maintainable architecture, type safety, and developer experience.

At work, I mainly develop full-stack applications using ASP.NET Core, EF Core, Clean Architecture, Nuxt, and Vuetify.

Outside of work, I enjoy building backend libraries, developer tools, and experimenting with AI agents and MCP.

Tech Stack

Professional

• C# / ASP.NET Core
• Entity Framework Core
• Clean Architecture
• Nuxt
• Vue
• Vuetify
• Microsoft SQL Server

Personal / OSS

• Python
• TypeScript
• Rust
• FastAPI
• PostgreSQL
• Docker
• GitHub Actions

Interests

• Software Architecture
• Type-safe Application Design
• AI Agents

Featured Projects

• agentic-chat-foundation
  Production-oriented foundation for building AI chat applications with Clean Architecture, dependency injection, async persistence, strict typing, and automated testing.

• flow-res
  Rust-inspired Result type for Python.

• flow-med
  Lightweight Mediator pattern implementation for Python.