Citadel Securities
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The Next-Generation Capital Markets Firm
Citadel Securities’ work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, team members deliver critical liquidity to the world’s most important financial institutions — while helping shape the global markets of tomorrow.
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Markets move fast. Citadel Securities’ engineers build innovative tools and distributed systems that keep its business nimble and responsive — operating with high reliability in real time.
The company works in small teams, partnering with researchers and traders to solve complex problems at scale. Teams move quickly from idea to implementation, and the markets deliver swift feedback.
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Dmitry loves the markets. His willingness to approach seemingly impossible feats as opportunities makes him a culture carrier and leader. His contributions propelled his rise from individual contributor to head of options technology within four years.
Recently posted jobs
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.
Information Technology • Software • Financial Services • Quantitative Trading
Support rates sales and trading desk by booking and reconciling trades, managing risk breaks, automating operational workflows with developers, coordinating releases and testing, and liaising with Trading, Technology, Compliance, Operations, Accounting and Business Management to deploy new trading capabilities and support day-to-day operations.
Information Technology • Software • Financial Services • Quantitative Trading
The Market Data Engineer will design and implement high-performance market data systems, focusing on trading infrastructure, performance optimization, and system resiliency.
At a glance
take time to socialize
A team motto is, "Whatever we do, we do to the utmost." Box seats for athletic events. Rooftop yoga. There are always opportunities to get to know fellow colleagues better.
care for your health
Benefits cover all aspects of team members’ physical and mental health, from fitness subsidies and wellness initiatives to mindfulness programs and telehealth.
realize your full potential
From day one, team members have the chance to learn and grow at an exceptional pace. Those who are ambitious and take initiative easily find new opportunities that push them even further.
join exceptional talent
The brightest minds in finance, mathematics and technology solve consequential problems at Citadel Securities. Team members drive operational excellence and help create more dependable global markets.
