Civil engineering supervisor and full-stack dev in Japan with 10+ years of experience.
I build small, practical tools that replace spreadsheets and manual workflows.

「紙・口頭・Excel依存」をなくし、誰でも回せる仕組みに置き換えることに関心あり。

• Building knowledge systems for civil construction
• Time-series analysis and data preprocessing
• Writing company-wide manuals that actually get used

• LiDAR Volume Calculator — automates earthwork volume calculation from point clouds
• Point Cloud Web Viewer — browser-based LAS/LAZ visualization
• Construction Report Generator — generates 3D heatmaps and cross-sections for earthwork analysis

• Tooling: Python 3.13 (uv), Bun + Hono
• Frontend: Astro v5, Svelte, Tailwind CSS v4
• Infra & IoT: Proxmox, Tailscale, ESP32/Arduino

• The University of Texas