A Crystal Xcelsius Developer designs interactive, data-driven dashboards and business intelligence (BI) applications. They use Crystal Xcelsius software to convert raw, complex data into visually engaging presentations. They configure and integrate these dashboards into various platforms. Developers also create interactive simulations, forecasts, and what-if scenarios to aid strategic decision-making. They work closely with business analysts to understand data requirements and ensure accurate data representation. Additionally, they may conduct testing, troubleshoot issues, and provide technical support to users. Overall, their role is pivotal in leveraging data visualization for business insights.