professional who designs and builds software applications that work with geographic data. They use tools like GIS software, programming languages, and databases to collect, analyze, and visualize spatial information such as maps, locations, and satellite data. A GIS Developer creates interactive maps, web mapping applications, and geospatial systems that help organizations make better decisions in fields like urban planning, transportation, environmental management, and disaster response. They also integrate GIS with other technologies, optimize spatial data processing, and ensure geographic data is accurate and efficient to use.