Full Stack Software Engineer

Citadel Securities is seeking a Full Stack Software Engineer to join the Options Trading Workflow Team, building high-touch pricing and trading tools for options traders. The role involves developing full stack applications with modern frontend and backend technologies, working directly with traders, quantitative researchers, and business leaders.

• Help define and build the next generation of high-touch pricing and trading workflow tools for Options traders.
• Partner directly with traders, quantitative researchers, sales teams, and business leaders to design workflows that improve pricing, execution, and risk management.
• Build full stack applications spanning modern web frontends, backend services, APIs, and distributed systems.
• Develop intuitive, high-performance user interfaces that enable traders to research, monitor, price, and execute trades in real time.
• Design scalable backend services that support pricing, workflow orchestration, market data, and trading operations.
• Build systems to support markets and option instruments Citadel Securities has never traded before.
• Gain exposure to multiple global markets while helping expand Citadel Securities' Options platform internationally.
• Prototype new ideas quickly while evolving them into robust production systems.
• Analyze complex business and technical problems and deliver elegant software solutions across the firm.
• Continuously improve performance, scalability, stability, and usability of mission-critical trading applications.
• Collaborate across engineering, quantitative research, and trading teams to translate complex financial concepts into intuitive software.

• 3+ years of professional software engineering experience building complex applications.
• Strong experience building full stack applications using modern frontend and backend technologies.
• Proficiency with TypeScript and React
• Experience designing scalable backend services using languages C++ or Python
• Experience building distributed systems and service-oriented architectures.
• Experience developing real-time, high-performance applications.
• Strong understanding of API design, asynchronous systems, and event-driven architectures.
• Passion for creating intuitive user experiences through thoughtful interaction design and rapid prototyping.
• Strong analytical and problem-solving skills with the ability to solve open-ended technical challenges.
• Excellent communication and collaboration skills.
• Bachelor's or Master's degree in Computer Science or equivalent practical experience.

• discretionary incentive compensation program
• medical and life insurance
• retirement and tax-free savings plans
• access to other healthcare programs