Quantitative Trader – Intern (US)

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.

As an intern, you’ll get to challenge the impossible in trading and research through a summer-long program that will allow you to collaborate and connect with senior team members. In addition, you’ll get the opportunity to network and socialize with peers throughout the internship.

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 available in Miami and New York.

In addition to weekly pay, interns may be eligible for a highly competitive sign-on bonus, housing stipend or covered living accommodations, company-sponsored travel, and a variety of on-site benefits, including access to on-site fitness and wellness amenities, catered meals, and social and networking events.

In accordance with applicable law, the base salary range for this role is $4,500 to $5,800 per week.