Citadel Securities

HQ
Miami
Total Offices: 14
1,900 Total Employees
Year Founded: 2002
Jobs at Citadel Securities
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YesterdaySaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
The Senior Software Engineer will design, build, and maintain high-performance data services, ensure production reliability, and collaborate with stakeholders to meet data needs.
YesterdaySaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
As a Software Engineer in Test, you'll build Python frameworks and C++ hooks to verify system correctness, accelerate CI/CD, and manage performance testing across equities.
YesterdaySaved
In-Office
Miami, FL, USA
Information Technology • Software • Financial Services • Quantitative Trading
Translate mathematical models into ultra-low latency implementations, optimize trading algorithms, and develop high-performance C++ systems for real-time trading.
YesterdaySaved
In-Office
Sydney, New South Wales, AUS
Information Technology • Software • Financial Services • Quantitative Trading
Support development and backtesting of quantitative trading strategies: translate models to code, analyze data (including unconventional sources), and implement/monitor trading signals in live environments under senior mentorship.
2 Days AgoSaved
In-Office
Sydney, New South Wales, AUS
Information Technology • Software • Financial Services • Quantitative Trading
As a Software Engineer Intern, you'll create tools for trading strategies, develop research platforms, and collaborate in small teams.
2 Days AgoSaved
In-Office
Sydney, New South Wales, AUS
Information Technology • Software • Financial Services • Quantitative Trading
Interns will design, implement, and test FPGA solutions for optimized trading system performance. Collaborate with teams to enhance financial technology.
2 Days AgoSaved
In-Office
3 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Join an analyst program providing training and mentorship to support Fixed Income Sales. Assist with voice and electronic trade execution, deliver market color and trade ideas, collaborate with trading and internal teams, and help drive client acquisition and business analysis to strengthen client relationships.
2 Days AgoSaved
In-Office
Sydney, New South Wales, AUS
Information Technology • Software • Financial Services • Quantitative Trading
As a Quantitative Trading Intern, you will analyze financial markets, apply statistical techniques to trading, and innovate using advanced trading platforms.
2 Days AgoSaved
In-Office
Sydney, New South Wales, AUS
Information Technology • Software • Financial Services • Quantitative Trading
Quantitative traders at Citadel Securities use advanced analytics and technology to make risk decisions, trade across markets, and innovate strategies.
2 Days AgoSaved
In-Office
Singapore, SGP
Information Technology • Software • Financial Services • Quantitative Trading
The Trading Risk Analyst supports day-to-day sales and trading tasks, including trade execution management, risk break handling, and operational workflow automation. The role requires working closely with various teams to ensure smooth trade processes and enhance trading capabilities.
3 Days AgoSaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
The UI Engineer will design and build complex user interfaces, develop front-end architecture, integrate with backend systems, and optimize performance for trading applications.
4 Days AgoSaved
In-Office
Miami, FL, USA
Information Technology • Software • Financial Services • Quantitative Trading
The Senior Research Engineer will curate large datasets, automate data pipelines, optimize queries, and support data-driven research impacting business outcomes.
Information Technology • Software • Financial Services • Quantitative Trading
As a Quantitative Research Analyst, you will develop and test trading algorithms, conduct statistical analyses, and improve mathematical models using complex data sets.
4 Days AgoSaved
In-Office
Miami, FL, USA
Information Technology • Software • Financial Services • Quantitative Trading
Design and build high-performance AI infrastructure, optimizing and maintaining production systems while collaborating with researchers and analysts.
4 Days AgoSaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.
4 Days AgoSaved
In-Office
4 Locations
Information Technology • Software • Financial Services • Quantitative Trading
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.
4 Days AgoSaved
In-Office
Miami, FL, USA
Information Technology • Software • Financial Services • Quantitative Trading
Conduct research and develop machine learning models for finance, focusing on deep learning and large language models, optimizing them for performance, and collaborating with teams to integrate ML solutions.
4 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.
4 Days AgoSaved
In-Office or Remote
7 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Design, develop, and deploy software solutions for automated trading systems while collaborating with researchers on technology priorities.
4 Days AgoSaved
In-Office
London, Greater London, England, GBR
Information Technology • Software • Financial Services • Quantitative Trading
Design and optimize electronic trading platforms, develop pricing and risk-management libraries, and collaborate with research teams on software solutions.