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Crypto Quantitative Developer

Citadel Securities
🇬🇧London🇺🇸New YorkMediorFull-time$175k–$350kPosted March 24, 2026

About the Role

We are expanding our digital assets team and seeking a Crypto Quantitative Developer to build and optimize high-performance trading systems in fast-moving, highly competitive markets. You will work at the intersection of quantitative research, low-latency systems, and crypto market microstructure, developing production-grade trading strategies using modern C++.

  • 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

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

Requirements

  • 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
  • Background in quantitative finance, mathematics, computer science, or a related technical field

What You'll Get

  • $175k–$350k base salary
  • Medical and life insurance
  • Retirement and tax-free savings plans
  • Access to other healthcare programs
  • Discretionary incentive compensation program