Quantitative Trader – Intern (US)

Overview

Citadel Securities is a technology-driven, next-generation global market maker. 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. This is a summer internship designed to challenge you in trading and research, with opportunities to collaborate with senior team members and network with peers.

Program Highlights

During the internship, you’ll:

• Develop in-depth knowledge of a financial market
• Innovate using one of the industry’s most powerful trading platforms
• Conceptualize valuation strategies and develop and continuously improve 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 mathematics, engineering, statistical modeling, calculus, computer science, physics, or related disciplines
• Ability to think systematically and quantitatively, with the ability to handle uncertainty in a rigorous, 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

Compensation, Benefits & Availability

• 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
• On-site benefits include fitness and wellness amenities, catered meals, and social and networking events
• Base salary range (where applicable by law): $4,500 to $5,800 per week

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 across a broad array of financial products. Our teams of engineers, traders, and researchers leverage leading-edge quantitative research and the accelerating power of compute, machine learning, and AI to power our analytics and tackle the market’s and clients’ most critical challenges. For more information, visit citadelsecurities.com.