A DBpedia developer works on the DBpedia project, which extracts structured content from the information created in different Wikimedia projects. They convert this unstructured data into structured data that can be used for machine processing, allowing for more advanced and diverse applications. Their tasks include designing, implementing, and maintaining data extraction, transformation, and loading (ETL) processes. They also improve the quality and quantity of the extracted data, and work on the DBpedia ontology. Furthermore, they communicate with the community of contributors, users, and developers to understand their needs and respond to their feedback.