Teams at Citadel Securities

Build end-to-end full stack trading applications for options: modern React frontends, distributed backend services (C++/Python), real-time data pipelines, trading and risk visualization, and tooling used directly by traders and researchers.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

Seeking a Site Reliability Engineer to support real-time distributed environments, perform capacity planning, and manage application migrations. Candidates should be knowledgeable in UNIX/Linux, networking, SQL, and scripting with Python.