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Job Title


High-Frequency Trading System Engineer (USA)


Company : Trexquant Investment


Location : Stamford, CT


Created : 2025-11-07


Job Type : Full Time


Job Description

We are seeking a highly skilled C++ engineer with extensive experience in high-frequency trading systems to join our trading team. In this role, you will design and develop ultra-low-latency trading infrastructure. You’ll work closely with quantitative researchers and fellow technologists to build cutting-edge HFT systems that have a direct impact on our trading performance.Responsibilities Lead the design and development of low-latency, high-frequency trading (HFT) systems. Evaluate the existing execution platform and develop plans for a comprehensive revamp. Optimize system performance across hardware and software layers, including CPU architecture, memory/cache utilization, and network interfaces (NICs). Ensure a clean, well-tested, and thoroughly documented codebase. Requirements Expert-level proficiency in C++ and Linux, with a deep understanding of low-level memory management, concurrency, and performance optimization. Proven experience developing ultra-low-latency, high-throughput systems, preferably in trading or other real-time environments. Strong knowledge of profiling tools and techniques for latency measurement and benchmarking. Hands-on experience with network protocols (TCP/UDP, multicast, Ethernet) and low-latency messaging systems. Exceptional analytical and problem-solving skills. Benefits Competitive base salary with guaranteed and performance-based bonuses tied to individual and company results. Collaborative, friendly, and results-oriented work environment. Full coverage of PPO health, dental, and vision insurance premiums for you and your dependents. Pre-tax commuter benefits. Additional company perks. Trexquant is an Equal Opportunity Employer