Jobs at Citadel Securities

The Senior Research Engineer will curate large datasets, automate data pipelines, optimize queries, and support data-driven research impacting business outcomes.

As a Quantitative Research Analyst, you will develop and test trading algorithms, conduct statistical analyses, and improve mathematical models using complex data sets.

The UI Engineer will design and build complex user interfaces, develop front-end architecture, integrate with backend systems, and optimize performance for trading applications.

Design and build high-performance AI infrastructure, optimizing and maintaining production systems while collaborating with researchers and analysts.

As a Software Engineer Intern, you'll create tools for trading strategies, develop research platforms, and collaborate in small teams.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

Interns will design, implement, and test FPGA solutions for optimized trading system performance. Collaborate with teams to enhance financial technology.

Design, develop, and deploy software solutions for automated trading systems while collaborating with researchers on technology priorities.

As a Quantitative Trading Intern, you will analyze financial markets, apply statistical techniques to trading, and innovate using advanced trading platforms.

Design and optimize electronic trading platforms, develop pricing and risk-management libraries, and collaborate with research teams on software solutions.

Quantitative traders at Citadel Securities use advanced analytics and technology to make risk decisions, trade across markets, and innovate strategies.

The Trading Risk Analyst supports day-to-day sales and trading tasks, including trade execution management, risk break handling, and operational workflow automation. The role requires working closely with various teams to ensure smooth trade processes and enhance trading capabilities.

Conduct research and develop machine learning models for finance, focusing on deep learning and large language models, optimizing them for performance, and collaborating with teams to integrate ML solutions.

Translate mathematical models into ultra-low latency implementations, optimize trading algorithms, and develop high-performance C++ systems for real-time trading.

Design, prototype, and build high-performance, real-time web applications and visualizations for investment professionals. Gather requirements, partner with traders and researchers, deliver scalable UIs, and improve platform workflows and performance.

Design, build, test, and maintain scalable regulatory reporting applications and data pipelines. Translate regulatory requirements into technical solutions, investigate reporting exceptions, reconcile data, optimize processing frameworks, and support the full software development lifecycle with monitoring and automation.

Software Engineers at Citadel develop software solutions for trading platforms, optimizing performance and functionality, and support trading activities.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

Intern will collaborate with Quantitative Researchers to design, develop, test, and deploy software solutions for automated trading systems.

The Client Execution Trading role involves managing trade order lifecycle, enhancing trading workflows, and using data analysis to improve profitability.