Research Engineer

Role Summary

As a Research Engineer at Citadel Securities, you will work closely with the best talents in the industry to design and build high-performance and foundational Alpha and AI infrastructure. Your work will enable researchers/analysts/traders to leverage the most advanced AI algorithms efficiently and productively in their day-to-day workflow.

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.

Objectives

• Design, develop, and deploy high-performance solutions to modernize our Alpha and AI infrastructure.
• Work with the researchers to define priorities, deliver new functionalities, optimize, and maintain day-to-day productions.
• Stay at the frontier of open-source engineering/AI solutions and adapt them for internal use.

Skills and Preferred Qualifications

• Strong problem-solving and communication skills
• Strong development skills in Python and C++
• Experience with machine learning libraries/frameworks (e.g. PyTorch, HuggingFace) and a demonstrated passion for leveraging AI and engineering excellence to make big impact in quantitative finance.

Bonus Points

• Experience working across the entire product lifecycle from conceptualization to production.
• Experience building high-performance infrastructure.
• Experience building LLM applications with open-source projects, or other orchestration frameworks.
• Experience with information retrieval systems, semantic search, etc.
• Experience with classical NLP tools