A Confluence developer specializes in customizing and enhancing Atlassian's Confluence software, a collaborative wiki tool used for project management. They handle the creation and management of spaces, pages, and workflows, ensuring that the tool is customized to fit the specific needs of the team or organization. They may also integrate Confluence with other software tools, develop plugins to extend functionality, and troubleshoot any issues that arise. Additionally, they may be responsible for training team members on how to use Confluence effectively. Their ultimate goal is to optimize Confluence to improve team collaboration and project management.