# Team Leadership > Selected Engineer ApS work demonstrating Team Leadership — the achievements that prove it. - [Led the software development of a GIS map application, driving revenue growth by 10x and positioning the product as a primary data asset.](https://software.engineer.company/portfolio/led-the-software-development-of-a-gis-map-24/) - [Managed the execution of 30 successful GIS projects, demonstrating leadership in delivering innovative solutions across the field.](https://software.engineer.company/portfolio/managed-the-execution-of-30-successful-gis-projects-32/) - [Led the development, deployment, and support of over 30 GIS projects, demonstrating expertise in PostgreSQL, Bash, Python, JavaScript, GDAL, ArcGIS, PostGIS, and Mapbox technologies.](https://software.engineer.company/portfolio/led-the-development-deployment-and-support-of-over-35/) - [Set the platform's founding decisions in the weeks after the repository opened in November 2025 — the layering, database‑first data access and the zero‑warnings bar — and they still hold nine months on.](https://software.engineer.company/portfolio/set-the-platform-s-founding-decisions-in-november-2025-80/)