Python Software Engineer

New York, London

Job Description

Python Software Engineers design and build the applications, platforms, and infrastructure that power every aspect of our investment process, from research and analysis to trading, risk management, funding, and settlement. Our engineers tackle complex technical challenges spanning distributed systems, data platforms, developer tooling, automation, financial systems, and applications used by investment and enterprise teams.
Key Responsibilities:
  • Design, develop, test, deploy, and maintain high-quality Python applications and services
  • Build scalable systems, platforms, APIs, libraries, and tools supporting research, trading, risk, data, and other critical investment and business workflows
  • Partner directly with investment professionals, quantitative researchers, and engineers to understand requirements and translate them into effective technical solutions
  • Contribute to architectural decisions and engineering best practices across teams
  • Solve complex and often ambiguous problems in a fast-moving, collaborative environment
  • Learn from industry leaders, distinguished engineers, and investment professionals
Qualifications:
  • Minimum of a Bachelor’s degree in Computer Science, 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
  • 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 $3,000,000.

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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