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

Conduct research and develop automated trading strategies using advanced statistical techniques and programming skills. Collaborate in a fast-paced team to innovate and implement quantitative models.

As a PhD intern, you will develop and test trading strategies, perform statistical analysis, and collaborate with senior researchers.

Conduct quantitative research and statistical analysis on crypto markets to develop, backtest, and implement automated trading strategies. Work with large and unconventional data sets to build valuation models, refine algorithms, and deploy signals in live trading to drive P&L growth.

As a Quantitative Research Analyst Intern, you'll develop algorithms, back test trading models, and conduct statistical analysis in a fast-paced environment.

Design and develop high-performance technology tools and platforms for trading strategies, working in collaborative, innovative teams.

Conduct rigorous research using statistics and machine learning to extract patterns from datasets. Implement algorithms, back-test models, and document findings.

The role involves designing and maintaining high-performance market data systems, optimizing for speed and accuracy, and partnering with research and trading teams.

Develop and implement software solutions for automated trading systems, working with quantitative researchers on complex financial challenges.

The Recruiting Coordinator partners with recruiters on full-cycle recruiting, manages candidate pipelines, schedules interviews, and communicates with candidates throughout the onboarding process.

Conduct research, statistical analyses, and develop automated trading strategies using large data sets and sophisticated statistical techniques.

The Campus Recruiter will engage top early career talent, manage recruitment phases, and represent Citadel Securities at events, enhancing hiring strategies and candidate relationships.

FPGA Engineers at Citadel Securities design and deploy FPGA solutions to enhance trading systems, maximizing efficiency and performance.

The Site Reliability Engineer will provide support and diagnose issues within a real-time, distributed environment, focusing on large-scale application and infrastructure management, with basic required skills in UNIX/Linux, networking, SQL, and scripting languages.

Conduct research using machine learning to analyze data sets, implement algorithms, back-test models, and document findings as a PhD intern.

Recruiting Coordinators support full-cycle recruitment processes, manage candidate interactions, and work on HR projects, all while building stakeholder relationships.

Build and optimize low-latency, high-performance C++ trading systems for crypto markets; partner with researchers and traders to productionize strategies; optimize latency, throughput, reliability; implement pricing, risk, and execution logic; analyze large-scale market and trade data; ensure resilience, testing, and scalability across global venues.

The Senior Platform Infrastructure Engineer will design, develop, and maintain infrastructure software, collaborate with teams, and troubleshoot issues across trading systems.

As a PhD intern, you'll design, develop, and deploy software solutions for automated trading, collaborating with the Quantitative Research team.

The Senior Software Engineer will design, build, and maintain high-performance data services, ensure production reliability, and collaborate with stakeholders to meet data needs.