← Back to Jobs
Technology
CI
Machine Learning Engineer
CitadelMiami, FL🇺🇸United StatesPosted 14 Aug 2026
Quick Overview
Work Type
Hybrid
Level
Mid Senior
Job Description
Job Description
Role Summary
As a ML/Research Engineer at Citadel Securities, you will work closely with researchers to design and build the next generation library for deep learning within the firm. You will combine the best available open-source tools with deep internal expertise in modelling and predicting financial markets. Your work will empower 100+ researchers to iterate faster on their agenda and perform experiments that were not possible before.
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
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 ML/Research Engineer at Citadel Securities, you will work closely with researchers to design and build the next generation library for deep learning within the firm. You will combine the best available open-source tools with deep internal expertise in modelling and predicting financial markets. Your work will empower 100+ researchers to iterate faster on their agenda and perform experiments that were not possible before.
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
- Grow/maintain internal library for deep learning.
- Work with researchers to understand their needs and add new functionality.
- Work with HPC experts to optimize the largest existing workflows and deliver training speed improvements and cost savings.
- Stay up to date with external innovations and tools and make them available for internal use as appropriate.
Skills and Preferred Qualifications
- 2+ years of experience in machine learning and software development.
- Strong engineering skills, including Python, CUDA, C++.
- Experience building distributed deep learning libraries or scaling large distributed deep learning workflows using PyTorch (or similar).
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 .
Skills
Machine Learning
CUDA
Deep Learning
C++
PyTorch
Python
Similar jobs
AI/ML Engineer
UnitedHealth Group · Eden Prairie, United States
5 minutes ago$98.5k - $176k/yrSenior Machine Learning Engineer Video AI (Vision & Creative Systems)
Warner Bros. Discovery · Bellevue, United States
7 minutes ago$150.6k - $279.8k/yrSenior AI/ML Engineer – GenAI & LLM
Raas Infotek LLC · Richmond, United States
38 minutes agoAI/ML Engineer
StoneGate-Technologies LLC · Austin, United States
38 minutes ago(USA) Staff, Machine Learning Engineer
Walmart Inc. · Sunnyvale, United States
55 minutes ago$169k - $338k/yrSenior ML Engineer
Salesforce · United States
55 minutes ago$148.5k - $223.9k/yr