Quantitative Research Engineer – PhD Intern (US)
Citadel Securities·New York·United States·Backend
Citadel Securities is hiring a Quantitative Research Engineer – PhD Intern (US) in New York. Posted 2026-05-29; applications close 2026-07-28 (in 59 days).
Role details
Overview
Citadel Securities’ Quantitative Research Engineers work closely with Quantitative Researchers to develop and implement automated trading system software solutions. These solutions utilize advanced statistical and quantitative techniques to tackle complex financial challenges. We seek candidates with a proven track record of excellence and a strong desire to apply their advanced software engineering skills to systematic investing.
Program Details
As an intern, you will engage in an 11-week program that enables collaboration with senior team members. You will also have opportunities to network and socialize with peers throughout the internship.
The signature internship runs from June through August. We can be flexible to other times of the year occasionally. You will be able to indicate your timing preference in the application.
Your Objectives
- Design, develop, test, and deploy elegant software solutions for automated trading systems
- Partner with the Quantitative Research team to define priorities and deliver custom software solutions
Your Skills & Talents
- PhD degree in computer science, mathematics, statistics, physics, or another highly quantitative field
- Strong programming skills with proficiency in one or more languages, including C++, Python, and R
- A deep passion for technology, software development, and mathematics
- Strong computer science fundamentals and software development experience
- Experience in areas such as distributed computing, natural language processing, machine learning, platform development, networking, system design, and/or web development
- Proven track record of creatively solving problems by understanding and prioritizing business value and applying technology solutions
- Strong written and verbal communication skills
Opportunities
Opportunities available in Miami and New York.
Compensation
In accordance with applicable law, the base salary range for this role is $4,800 to $5,300 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 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. We are forging the future of capital markets. For more information, visit citadelsecurities.com.
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Applying to this role
This Quantitative Research Engineer – PhD Intern (US) role at Citadel Securities runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.
Jorb AI tracks details for Quantitative Research Engineer – PhD Intern (US) at Citadel Securities. Postings refresh hourly from primary careers pages. Job details mirror the firm's posting; the apply link goes directly to the source. Last refreshed 2026-05-30.
