Software developer focused on backend systems, infrastructure, and tooling.
I build and operate production systems end-to-end, including APIs, databases, deployment, and long-running services.

• C#
• ASP.NET Core
• PostgreSQL
• Docker
• Proxmox / LXC
• TypeScript / JavaScript
• Node.js
• Discord.js
• Python

• Go
• Java
• C / C++
• MySQL, MSSQL, Oracle, SQLite, SAP HANA
• React, Vue.js
• Flask, FastAPI
• EF Core
• Bash
• SAP ABAP
• AWS (EC2, S3, Lambda)
• Azure VPS
• Informatica IICS

• ニジ24赤八段
• ニジ25赤玄人