# 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://engineer.company/portfolio/led-the-software-development-of-a-gis-map-24/) - [Saved 4,000 hours by mentoring and growing a team from 2 to 18 members, optimizing workflows and fostering cross‑departmental collaboration.](https://engineer.company/portfolio/saved-4-000-hours-by-mentoring-and-growing-26/) - [Designed and managed 5,000 hours of map development, utilizing Agile methodologies such as Scrum and Jira for effective project management.](https://engineer.company/portfolio/designed-and-managed-5-000-hours-of-map-29/) - [Wrote 50,000 words of comprehensive software documentation utilizing Markdown in GitHub, Craft, and Confluence, thereby ensuring the retention of knowledge and the transparency of the process.](https://engineer.company/portfolio/wrote-50-000-words-of-comprehensive-software-documentation-30/) - [Managed the execution of 30 successful GIS projects, demonstrating leadership in delivering innovative solutions across the field.](https://engineer.company/portfolio/managed-the-execution-of-30-successful-gis-projects-32/) - [Led company growth from 4 to 14 employees by employing Agile methodologies and effective project management practices.](https://engineer.company/portfolio/led-company-growth-from-4-to-14-employees-33/) - [Improved team communication and collaboration by implementing Slack, Mattermost, 1Password, and Jira, saving 8,000 hours of labor.](https://engineer.company/portfolio/improved-team-communication-and-collaboration-by-implementing-slack-34/) - [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://engineer.company/portfolio/led-the-development-deployment-and-support-of-over-35/) - [Guided the execution of numerous company projects, offering expert support in the software development phases.](https://engineer.company/portfolio/guided-the-execution-of-numerous-company-projects-offering-37/) - [Established a Technical Support department, servicing over 10,000 clients with IT support and troubleshooting solutions.](https://engineer.company/portfolio/established-a-technical-support-department-servicing-over-10-40/) - [Enhanced project efficiency, saving 150 hours per month across 30 projects by optimizing workflows and resource management.](https://engineer.company/portfolio/enhanced-project-efficiency-saving-150-hours-per-month-46/) - [Managed a team delivering IT support, data recovery, and hardware repair services to over 1,000 clients, ensuring high‑quality service.](https://engineer.company/portfolio/managed-a-team-delivering-it-support-data-recovery-47/) - [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://engineer.company/portfolio/set-the-platform-s-founding-decisions-in-november-2025-80/)