The Taleau Developer role involves understanding stakeholder requirements and identifying key performance indicators (KPIs) for visualization. The developer will collaborate with EAS team leads for data identification, dashboard design, and development, querying data from MongoDB and HDFS. They will perform data reshaping and light feature engineering, ensuring dashboards adhere to EAS Reporting team guidelines. Extensive quality control (QC) and testing are required, along with optimizing reports and coordinating with stakeholders to resolve issues.