As a Research Engineer, you'll build AI infrastructure, collaborate with researchers, and enhance workflows using AI algorithms for trading.
Job Description
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
Skills and Preferred Qualifications
Bonus Points
About Citadel Securities
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com .
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
About Citadel Securities
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com .
Top Skills
C++
Huggingface
Python
PyTorch
Similar Jobs at Citadel Securities
Information Technology • Software • Financial Services
Design and maintain distributed systems for large-scale simulations in a cloud environment, optimizing performance and ensuring scalability and reliability.
Top Skills:
BashGCPGitGoJavaJenkinsLinuxPackerPythonTerraform
Information Technology • Software • Financial Services
Design and develop software solutions for automated trading systems, collaborating with quantitative researchers to define project priorities and deliver customized solutions.
Top Skills:
C++Distributed ComputingMachine LearningNatural Language ProcessingNetworkingPlatform DevelopmentPythonRSystem DesignWeb Development
Information Technology • Software • Financial Services
Contribute to and enhance the data platform, focusing on solutions for data storage, processing pipelines, and cloud infrastructure.
Top Skills:
AWSC++GCPGo
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute

