Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 16
1,900 Total Employees
Year Founded: 2002
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Teams at 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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Recently posted jobs

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Information Technology • Software • Financial Services
As a Quantitative Researcher Intern at Citadel Securities, you will develop and test quantitative trading strategies, conduct research and statistical analysis, and translate algorithms into code. You'll work on building mathematical models, conducting back tests, and innovating with unconventional data sources within a collaborative team environment.
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Citadel Securities

Quantitative Researcher - 2025 PhD Intern (Europe)

10 Hours Ago
London, Greater London, England, GBR
Information Technology • Software • Financial Services
As a Quantitative Researcher intern at Citadel Securities, you will develop and improve trading strategies by applying complex statistical techniques and coding algorithms. You will also conduct research and statistical analysis to enhance trading models, collaborating with experienced team members during an 11-week program.
Information Technology • Software • Financial Services
As an Options Platform Analyst, you will innovate, design, and run analytics on the options market making business, focusing on data automation, reporting, and visualization to inform trading decisions. Collaboration with traders and developers is key, alongside maintaining existing tools and conducting data reconciliation.
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