A FME Desktop Developer utilizes the FME (Feature Manipulation Engine) Desktop software to manage, integrate, and manipulate spatial data. They design and implement data conversion workflows, automate data transformation processes, and validate data quality. They extract data from various sources, transform it into a usable format, and load it into different systems. The developer also troubleshoots any issues within the data transformation process. They work closely with GIS analysts and other stakeholders to understand their data requirements and ensure the FME Desktop environment is configured to meet these needs. They also provide training and support to users.