> Markdown version of [/jobs/ext/3597975-geospatial-software-engineer-web-mapping-geopandas-gdal-for-nato-with-security-clearance](https://www.wearedevelopers.com/jobs/ext/3597975-geospatial-software-engineer-web-mapping-geopandas-gdal-for-nato-with-security-clearance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Geospatial Software Engineer (Web Mapping, GeoPandas, GDAL) for NATO with security clearance - **Company:** WLG - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, ArcGIS (Software), Extract Transform Load (ETL), Web Development, GIS Applications, Python (Programming Language), Performance Tuning, Spatial Data Infrastructures, ReactJS, Backend, Git, Vue.js, AngularJS, Information Technology, Geospatial Data Abstraction Library (GDAL) - **Published:** October 7, 2026 - **Apply:** https://www.adzuna.be/details/5914626654 ## About the Role * At least 5 years of web development with modern JavaScript frameworks such as React, Vue.js or Angular * Hands-on work with a major web mapping SDK - layers, popups, custom widgets and client-side spatial operations * Python for geoprocessing and automation (ArcPy, GeoPandas, Shapely, Rasterio, GDAL/OGR) * Backend services or pipelines that expose geospatial functionality * Git, Agile, and a bachelor's degree in computer science, geography, IT or similar * Advanced English; some basic French is helpful ## Description * Developing and configuring web GIS applications with ArcGIS Maps SDK for JavaScript and other modern frameworks * Bringing spatial data from classified and unclassified sources into those applications * Converting and preparing data with Python and spatial ETL tools * Setting up map services, feature layers and tiled data so they load quickly on the web * Tuning backend queries and map rendering for performance * Documenting code, service endpoints and architecture, and passing knowledge on to staff