Power BI DeveloperLocation: Chicago IL (Hybrid - 3 days/ week from Day One) Duration: 06 Months plus Rate: DOEUS Citizens and Green cards are Preferred. No 3rd Party C2C.Description:Design, develop, and maintain Power BI dashboards, reports, and data models to meet business requirements.Collaborate with stakeholders to gather and analyze business requirements, translate them into technical specifications, and implement robust solutions.Utilize DAX (Data Analysis Expressions) queries to manipulate and analyze data within Power BI models.Optimize data models for performance and scalability, ensuring efficient data retrieval and visualization.Experience working with CognosDesign and develop complicated dashboards, reports including sub-reports, graphical reports and well-formatted reports according to user requirements.