Citadel Securities

Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market’s most critical challenges, turning big ideas into real-world outcomes.

Engineering is key to our competitive advantage. It’s about much more than pursuing flawless code. Our engineers are commercial thinkers, identifying and pursuing projects with meaningful business value. Our engineers build integrated systems that power trading globally, ensuring we’re always in the market. With the firm as the team’s primary customer, engineers can move faster and retain control over solutions. Engineers drive innovation by designing and building systems that enable us to operate at massive scale—while achieving efficiency, performance and resilience. For more information, visit CitadelSecurities.com.