Python Quantitative Developer

Quantitative Developers combine strong software engineering skills with quantitative intuition and a deep interest in financial markets to build the tools, platforms, and systems that support investment research and decision-making. Working side by side with quantitative researchers, portfolio managers, traders, and other engineers, Quantitative Developers turn complex analytical ideas into scalable research and trading systems that accelerate the path from idea to production.

Key Responsibilities: Partner directly with quantitative researchers, portfolio managers, traders, and engineers to understand investment and research workflows Translate research ideas and quantitative models into reliable, maintainable production software Build and improve high-performance data pipelines and analytical infrastructure used to process large and complex datasets Develop custom tools and prototypes that allow investment teams to rapidly test ideas and extract insights from data Solve technically challenging problems in a fast-moving environment where technology has direct business impact Learn from industry leaders, distinguished engineers, quantitative researchers, and investment professionals Qualifications: Minimum of a Bachelor’s degree in Computer Science, Engineering, Mathematics, Statistics, Physics, or a related STEM discipline, or equivalent experience Exceptional Python programming skills and a strong understanding of computer science fundamentals, data structures, algorithms, and software design Experience working with large or complex datasets and developing data-intensive applications Excellent written and verbal communication skills and an ability to explain technical concepts and results to a range of stakeholders Strong entrepreneurial spirit, ownership mindset, and the ability to adapt to changing requirements and technologies Ability to manage multiple priorities in a demanding and dynamic environment Intellectual curiosity and an interest in learning about financial markets Opportunities may be available from time to time in any location in which the business is based for suitable candidates.

If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available. To be eligible for UK postings, you must have or be able to obtain UK work authorization. For our privacy policy, go to https://www.citadel.com/privacy. 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.

In accordance with applicable law, the base salary range for this role is $200,000 to $300,000. 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.