Global Quantitative Strategies | Quantitative Research Engineer

July 3, 2026

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Job Description
About Global Quantitative Strategies (GQS)
GQS is the quantitative investment business of Citadel. Founded in 2012, GQS has rapidly grown to become one of Citadel's core investment strategies and one of the top quantitative investment teams in the world. Agile teams of researchers, engineers, and traders develop robust systems that allow us to operate performant at scale and apply advanced statistical and quantitative modeling techniques to identify and act on investment opportunities.
Quantitative Research Engineers (QREs) in GQS collaborate with Quantitative Researchers (QRs) to analyze data, develop research tools, and enhance and maintain our automated trading system and algorithms. QREs build software solutions that leverage sophisticated quantitative techniques and technologies to answer the most challenging questions in finance. Engineers with an exceptional record of achievement in their respective fields and a drive to apply advanced software engineering skills to systematic investing are encouraged to apply to GQS.
Learn more about us here.
Skills and Qualifications:
• Bachelor's, Master's or PhD degree in Computer Science, Engineering, Mathematics, Statistics, or equivalent field
• Proven track record of creatively solving problems by understanding and prioritizing business value and applying technology solutions
• Strong programming skills (C++ preferred)
• Prior experience in developing on a Linux stack
• Strong stakeholder management and communication skills
We collect and use personal data in accordance with our Privacy Policy. We retain data on prospective candidates and may consider suitability for alternative opportunities at Citadel. For more information, see our Privacy Policy .
In accordance with applicable law, the base salary range for this role is $275,000 to $350,000.
In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program, as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans, and access to other healthcare programs.
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 in order 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 some of the most talented and accomplished investment professionals, researchers and engineers in the world. Our colleagues are empowered to test their ideas and develop commercial solutions that accelerate their growth and drive real impact.

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