What does a Citadel data engineer do?

A Citadel Data Engineer is responsible for designing, building, and maintaining data pipelines and infrastructure that support the firm’s quantitative research and trading activities. They work with large datasets, ensuring data is reliable, accessible, and processed efficiently for analysis. Data Engineers collaborate closely with data scientists, software engineers, and traders to make sure the data infrastructure meets business and technical needs. Their role often involves optimizing data workflows, integrating new data sources, and implementing best practices for data quality and security.