Jobs at Citadel

Design, develop, test, deploy, and maintain scalable Java applications, services, and platforms supporting investment and business workflows. Build distributed systems, APIs, data platforms, and event-driven architectures; modernize existing technology; improve performance, reliability, and scalability; and contribute to architecture and technical strategy. Partner with users and engineering teams throughout the software development lifecycle to deliver production-quality solutions.

Design, develop, test, deploy, and maintain high-performance C++ systems, services, libraries, and platforms. Solve complex challenges involving performance, latency, concurrency, scalability, and distributed systems. Collaborate with engineers and investment professionals, build new systems, optimize production platforms, contribute to architecture and developer tooling, and own technology throughout its lifecycle.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

Quantitative Researchers at Citadel use advanced statistical techniques to develop models and trading strategies, backtesting them in live environments.

Intern will learn financial markets, collaborate with traders, researchers, and technologists, apply statistical techniques to develop trading ideas, adapt strategies, and use proprietary trading platforms while networking with senior team members.

The Quantitative Research Analyst Intern will develop models, implement trading strategies, and conduct statistical analysis during an 11-week program.

Lead trading strategy development and execution for a commodities portfolio, manage risk, conduct analysis, and identify opportunities.

The Recruiting Coordinator collaborates with recruiters to manage the hiring process, schedule interviews, and maintain candidate pipelines, requiring strong communication and organizational skills.

Design, develop, test, deploy, and maintain Python applications, services, APIs, platforms, libraries, and tools supporting investment workflows including research, trading, risk management, data, and enterprise operations. Collaborate with investment professionals, quantitative researchers, and engineers; contribute to architecture and engineering best practices; and solve complex technical problems in a dynamic environment.

11-week internship building high-performance research platforms and trading tools. Work in small teams on distributed systems, NLP/ML applications, and web frameworks while collaborating with senior engineers.

Support trade lifecycle activities including clearance, settlement, and cash management. Collaborate with trading/financing desks, counterparties, and custodians. Identify and implement process and technology improvements, perform data analysis (Excel), and learn securities financing and prime brokerage workflows.