18 days ago

Quantitative Researcher - PhD Graduate - Asia

Hong Kong +1

AI / ML
New Grad

18 days ago

Quantitative Researcher - PhD Graduate - Europe

Dublin, Ireland +2

AI / ML
New Grad

18 days ago

Quantitative Researcher - PhD Graduate - US

Miami, FL +1

AI / ML
New Grad

18 days ago

Quantitative Researcher - PhD Intern - Asia

Hong Kong +1

AI / ML
Internship

18 days ago

Quantitative Researcher - PhD Intern - Europe

London, United Kingdom +1

AI / ML
Internship

18 days ago

Quantitative Researcher - PhD Intern - US

Miami, FL +1

AI / ML
Internship

18 days ago

At Citadel Securities, our quantitative traders make complex risk decisions, model markets, and bring trading strategies to life every day. As a markets and trading expert, you’ll use predictive analytics and sophisticated statistical techniques to monitor risk, respond to market signals and develop trading strategies across Options, ETFs, Equities, Fixed Income, Commodities and Currencies.

Your Objectives

• Develop in-depth knowledge of a financial market
• Innovate by using one of the industry’s most powerful trading platforms
• Conceptualize valuation strategies, develop, and continuously improve upon mathematical models.
• Design, build, and implement predictive models to generate novel trading signals.
• Use unconventional data sources to drive innovation.
• Conduct research and statistical analysis to build and refine monetization systems for trading signals.

Your Skills & Talents

• Bachelor's, master's or PhD in applied math, engineering, statistical modeling, calculus, computer science, physics or related disciplines required
• Ability to think about the world systematically and quantitatively, as well as the ability to deal with uncertainty in a rigorous and statistical approach
• Experience with modern AI concepts such as Large Language Models (LLMs) and agentic systems is highly desirable.
• Expertise in translating mathematical models and algorithms into code (Python, R or C++).
• Ability to manage multiple tasks and thrive in a fast-paced team environment.
• Excellent analytical skills, with strong attention to detail.
• Strong written and verbal communication skills.

Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel Securities, please share your details and we will contact you if there is a vacancy available.

About Citadel Securities

Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.