Conduct research and development in machine learning, focusing on large language models and their application in financial contexts, optimizing models performance.
Job Description
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.
Key Responsibilities:
• Conduct cutting-edge research and development in machine learning, with a focus on large language models (LLMs) and their applications in quantitative finance.
• Design, implement, and optimize machine learning models for performance and scalability, particularly in financial contexts.
• Collaborate with cross-functional teams to integrate ML solutions into business processes and trading strategies.
Skillset Requirements:
About Citadel Securities
Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.
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.
Key Responsibilities:
• Conduct cutting-edge research and development in machine learning, with a focus on large language models (LLMs) and their applications in quantitative finance.
• Design, implement, and optimize machine learning models for performance and scalability, particularly in financial contexts.
• Collaborate with cross-functional teams to integrate ML solutions into business processes and trading strategies.
Skillset Requirements:
- Proficiency in creating and using algorithms to meticulously investigate and work through large data or error-checking problems
- Deep knowledge of LLM architectures, including transformers.
- Familiarity with attention mechanisms, normalization techniques, and model architecture design.
- Training techniques (pre-training, fine-tuning, RLHF), and optimization methods.
- Understanding of low-level details like GPU memory management, precision types (float16, bfloat16), and parallelization techniques.
- Proficiency in advanced training techniques such as pre-training, fine-tuning, RLHF, and DPO.
- Expertise in Python and ML frameworks like PyTorch or TensorFlow.
- Familiarity with Retrieval Augmented Generation (RAG) systems and their implementation.
- Proven ability to approach open-ended problems and design end-to-end solutions in ML/AI.
- Strong mathematical and statistical foundations, particularly in areas relevant to quantitative finance.
About Citadel Securities
Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.
Top Skills
Algorithms
Llm
Machine Learning
Python
PyTorch
TensorFlow
Citadel Securities Boston, Massachusetts, USA Office
Boston, MA, United States
Similar Jobs at Citadel Securities
Information Technology • Software • Financial Services
As a UI Engineer, develop scalable web applications, collaborate with analysts and traders, and enhance user experience through innovative solutions.
Top Skills:
AngularCSS3ElectronHTML5JavaScriptNode.jsReactReduxTypescriptWebassembly
Information Technology • Software • Financial Services
Analyze complex datasets, build predictive models, and inform business decisions through collaboration and data visualization efforts. Present insights to stakeholders.
Top Skills:
GCPKafkaPandasPythonRScikit-LearnSparkSQLTableauTensorFlow
Information Technology • Software • Financial Services
The role involves supporting and diagnosing problems in a real-time environment, managing large-scale application deployments, and collaborating with teams to solve technical challenges.
Top Skills:
BashPythonSQLTcp/IpUdpUnix/Linux
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories