Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 7
1,900 Total Employees
Year Founded: 2002

Citadel Securities Innovation & Technology Culture

Updated on January 22, 2026

Citadel Securities Employee Perspectives

All the major languages that are in heavy use are living languages. That’s why we see C++, Rust, C and Python continuing to evolve. Our landscape is always changing, and it’s important to stay abreast of those developments.