Data engineers are responsible for building reliable and scalable data infrastructure. This involves leading and managing a team of data engineers, overseeing projects, and ensuring technical excellence. They play a critical role in driving the success of data engineering initiatives and ensuring the delivery of high-quality data solutions. Key responsibilities include building data pipelines, designing data models, and collaborating with stakeholders to deliver data-driven solutions. The job requires expertise in various data engineering tools and technologies, including those mentioned in the skills section, to derive meaningful insights and make data-driven decisions.