Crypto Quantitative Developer

• Role Summary
• We are expanding our digital assets team and are seeking a Crypto Quantitative Developer to build and optimize high-performance trading systems in fast-moving, highly competitive markets.

In this role, you’ll work at the intersection of quantitative research, low-latency systems, and crypto market microstructure, developing production-grade trading strategies using modern C++.

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.

Responsibilities:

• Design, develop, and maintain low-latency, high-performance C++ trading systems for crypto markets
• Partner closely with quantitative researchers and traders to translate trading ideas into production code
• Optimize system performance across latency, throughput, and reliability, including exchange connectivity and market data handling
• Build and enhance pricing, risk, and execution logic for crypto products
• Analyze and improve system behavior using large-scale market and trade data
• Ensure systems are resilient, well-tested, and scalable across global crypto venues

Qualifications:

• Strong proficiency in C++ (C++17 or newer) with a focus on performance-critical systems
• Solid foundation in data structures, algorithms, and systems programming
• Experience developing production trading systems or other low-latency, high-availability software
• Strong understanding of Linux environments, networking, and concurrency with a focus on cloud deployments
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment
• Experience working with crypto markets, exchanges, or digital asset trading infrastructure (preferred)
• Knowledge of market microstructure, order books, and execution strategies (preferred)
• Background in quantitative finance, mathematics, computer science, or a related technical field

In accordance with applicable law, the base salary range for this role is $175,000 to $350,000.

In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program, as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans, and access to other healthcare programs.