A BOBJ (Business Objects) developer specializes in designing, developing, and maintaining business intelligence (BI) solutions for an organization. They use SAP's BusinessObjects software to create and manage interactive reports, dashboards, and data visualization that help in business decision-making. Their responsibilities include data extraction, transformation, and loading (ETL), ensuring data quality, and troubleshooting BI tools. They work closely with business analysts and stakeholders to understand business needs, translate them into BI solutions, and provide technical support. They also document and maintain software functionality, prepare manuals for users, and train them if necessary.