The document discusses the role of a data engineer. It states that data engineers transform data into a format that can be analyzed, developing and maintaining infrastructures for data generation. They work closely with data scientists to architect solutions that enable data analysis. Data engineers require a variety of technical skills and the ability to approach problems creatively. Their responsibilities include building data pipelines and infrastructure for extraction, transformation, and loading of data. Required skills listed include experience with distributed systems, cloud platforms, programming languages like Python and Scala, databases, data processing technologies like Spark and Hadoop, data warehousing, and software engineering practices.