Citadel Securities in Sydney is searching for experienced software developers to build and maintain powerful trading platforms. The role focuses on software solutions that enhance performance and functionality while collaborating with business leaders.The idea…

Options market making presents a unique challenge in combining scale with business complexity. With over a million of listed options at the heart of billions of messages, we handle internet-scale datasets while being constrained on hardware due to latency requ…

Citadel Securities in Sydney, Australia seeks an experienced software engineer to shape the next generation of pricing and trading tools for options traders. You will work on a greenfield, global OTC Options initiative and partner with traders, researchers, an…

Options market making presents a unique challenge in combining massive scale with complex financial workflows. Every day, Citadel Securities processes billions of market events across more than a million listed options while delivering pricing, execution, and …

# Site Reliability EngineerGurugram, Sydney## Job Description**Objectives**Candidates who have less than 3 years of experience should possess:* Good knowledge of UNIX/Linux command line.* Good understanding of the usage of TCP/IP and UDP networking in applicat…

Citadel Securities is seeking a Site Reliability Engineer to join our Sydney-based team. The role focuses on keeping our distributed trading platforms highly available, scalable, and secure, with emphasis on incident response and automation.You will work close…