Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 14
1,900 Total Employees
Year Founded: 2002
Jobs at Citadel Securities
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An Hour 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.
An Hour 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.
An Hour 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.
An Hour 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.
An Hour 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.
An Hour 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.
An Hour 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.
An Hour 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.
YesterdaySaved
Remote
Hong Kong
Information Technology • Software • Financial Services • Quantitative Trading
The Trade Operations Analyst supports trading by handling trade booking, reconciliations, P&L analysis, and collaborating with tech and sales teams.
Information Technology • Software • Financial Services • Quantitative Trading
Intern will collaborate with Quantitative Researchers to design, develop, test, and deploy software solutions for automated trading systems.
3 Days AgoSaved
In-Office or Remote
8 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Software Engineers at Citadel develop software solutions for trading platforms, optimizing performance and functionality, and support trading activities.
3 Days AgoSaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
The Executive Assistant will manage schedules, coordinate meetings, organize travel, maintain records, and support communication between executives and colleagues.
3 Days AgoSaved
In-Office
Dublin, IRL
Information Technology • Software • Financial Services • Quantitative Trading
The Client Execution Trading role involves managing trade order lifecycle, enhancing trading workflows, and using data analysis to improve profitability.
4 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
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.
Information Technology • Software • Financial Services • Quantitative Trading
As a Quantitative Research Analyst, you will develop and test automated trading strategies using statistical techniques and algorithms, conduct research, and analyze data.
5 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
As a PhD intern, you will develop and test trading strategies, perform statistical analysis, and collaborate with senior researchers.
5 Days AgoSaved
In-Office
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Conduct research and develop automated trading strategies using advanced statistical techniques and programming skills. Collaborate in a fast-paced team to innovate and implement quantitative models.
5 Days AgoSaved
In-Office or Remote
2 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Quantitative Researchers at Citadel Securities develop automated trading strategies using statistical techniques and implement them in live environments.
Information Technology • Software • Financial Services • Quantitative Trading
As a PhD intern, you'll develop trading strategies, conduct statistical analysis, backtest models, and collaborate with experienced team members in quantitative research.