Quantitative Research Engineer – PhD Intern (US)

Citadel·New York·United States·Backend

Citadel is hiring a Quantitative Research Engineer – PhD Intern (US) in New York. Posted 2026-05-29; applications close 2026-07-28 (in 58 days).

Role details

Overview

At Citadel, 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 in their field and a strong desire to apply their advanced software engineering skills to systematic investing.

Internship Program

As an intern, you’ll have the opportunity to challenge the impossible in research through an 11-week program that enables collaboration with senior team members. You’ll also have the chance to network and socialize with peers throughout the internship.

Our signature internship program takes place June through August. We can be flexible to other times of the year on occasion. 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 programming 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

Citadel is one of the world’s leading alternative investment managers. We manage capital on behalf of many of the world’s preeminent private, public, and nonprofit institutions. We seek the highest and best use of investor capital to deliver market-leading results and contribute to broader economic growth. For over 30 years, Citadel has cultivated a culture of learning and collaboration among talented investment professionals, researchers, and engineers. Our colleagues are empowered to test their ideas and develop commercial solutions that accelerate growth and drive real impact.

More open roles at Citadel

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Jorb AI tracks details for Quantitative Research Engineer – PhD Intern (US) at Citadel. 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.

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