A BEx Analyzer developer works on SAP's Business Explorer (BEx) Analyzer, a tool that allows users to analyze data stored in the Business Warehouse (BW) system. They design, develop, and maintain analytical reports and dashboards. They also create data models and provide solutions for data extraction, transformation, and loading (ETL). They work with business users to understand their data analysis needs, translate these into technical specifications, and ensure that the BEx Analyzer tool delivers the required functionality. Additionally, they troubleshoot and resolve any issues that may arise with the tool, ensuring smooth operations and data accuracy.