A Data Engineer is a professional responsible for designing, building, and maintaining systems that collect, store, and process large amounts of data. They work with various tools and technologies to ensure that data is accessible and usable for analysis. Their role is crucial in enabling organizations to make data-driven decisions. Data Engineers often collaborate with Data Scientists and Data Analysts to understand data requirements and optimize data pipelines. They focus on data quality, efficiency, and scalability, ensuring that the infrastructure can handle growing data needs. Their work supports the overall data strategy of an organization.