An Actuate developer is responsible for designing and developing business reports and dashboards using Actuate software, a tool for producing and managing reports, visualizations, and analytics. They work closely with business analysts and data experts to understand the data requirements and translate them into meaningful reports. They use Actuate's design and development tools, like BIRT (Business Intelligence and Reporting Tools), to create custom report templates, manage data sources, and implement data transformations. They also test, troubleshoot, and optimize these reports to ensure accurate and efficient data representation. Additionally, they may help in maintaining and upgrading the Actuate system.