Citadel Securities

London
1,900 Total Employees
Year Founded: 2002

Citadel Securities Offices

OnSite Workplace

Employees work from physical offices.

Typical time on-site: 5 days a week

Global Office Locations

London

120 London Wall, London, United Kingdom, EC2Y 5ET

15 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Lead architecture and engineering of high-performance crypto market feed handlers and exchange connectivity. Build low-latency ingestion, normalization, sequencing, order book construction, and distribution systems; drive venue onboarding, data quality, reconciliation, recovery, and replay; improve latency, throughput, resiliency in a 24/7 production environment; partner with trading and research teams; mentor engineers and define operational KPIs.
16 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
The role involves building and supporting production-level trading systems in C++ for credit and rates products, collaborating with traders and quantitative researchers.
16 Days AgoSaved
In-Office
3 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Build full-stack, low-latency trading and pricing tools for options traders. Collaborate with traders, researchers, and business stakeholders to design intuitive frontends and scalable backend services, prototype and productionize distributed systems, and expand trading capabilities globally while improving performance, stability, and usability.