Kanahiro Iguchi
Geospatial Specialist
Geospatial specialist working at the intersection of web and GIS. I've shipped as a Software Engineer, Engineering Manager, and CTO, and write books and OSS to share what I learn along the way. Co-organizer of MapLibre User Group Japan and an AWS Community Builder (Serverless).
Career
- 2023 –
CTO
MIERUNE Inc.
Driving evaluation rigor and technical culture, leading cross-team project reviews, building new products, and championing AI-assisted development workflows.
- 2022 – 2023
Engineering Manager
MIERUNE Inc.
Ran an engineering team while continuing hands-on development.
- 2020 – 2022
Software Engineer
MIERUNE Inc.
GIS engineer focused on QGIS plugin development and WebGIS systems.
- 2016 – 2020
Officer, Agriculture Division
Shibetsu City Hall
Designed subsidy programs, drafted ordinances, produced CAD construction drawings, and expanded GIS adoption.
Communities
- 2025 –
AWS Community Builder
- 2023 –
Co-organizer
Publications
Books and articles published in Japanese.
- Practical QGIS for Geospatial Practitioners — Shuwa System, 2025
位置情報を扱う人のための実践QGIS
- Geospatial Developer Training Course — Shuwa System, 2024
現場のプロがわかりやすく教える位置情報デベロッパー養成講座
- Geospatial Engineer Training Course — Shuwa System, 2023
現場のプロがわかりやすく教える位置情報エンジニア養成講座
- Software Design column: Introduction to Geospatial Engineering — Gijutsu-Hyoronsha, 2023
Software Design「位置情報エンジニアリングのすすめ」
Projects
Open source work, grouped by area.
Web Mapping & MapLibre
- chiitiler — A tiny raster tile server for MapLibre styles
- maplibre-vscode-extension — MapLibre style viewer and editor for VS Code
- maplibre-gl-temporal-control — Temporal control plugin for MapLibre GL JS
- maplibre-copc-layer — Custom layer for rendering Cloud Optimized Point Cloud (COPC) on MapLibre
QGIS Plugins
- GTFS-GO — QGIS plugin to parse GTFS data and visualize routes and stops
- MagicWand — QGIS plugin for fast, automatic polygon creation on the map canvas
- qgis-nowcast-tool-plugin — QGIS utility for JMA precipitation nowcast — tile loading and animation
Geospatial Data Tools
- yosegi — Pyramid GeoParquet generator
- tileget — CLI utility for downloading XYZ tiles
- gprg-viewer — Browser-based viewer for GeoParquet row groups
Presentations
A running archive of talks and slide decks is maintained on Notion.