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TrexquantTrexquantStamford, CT

High-Frequency Trading System Engineer (USA)

Designs and develops ultra-low-latency high-frequency trading infrastructure in C++ and Linux. Optimizes performance across hardware/software layers and collaborates with quants for trading systems impact.

175k – 200k/yr
On-siteBackend Engineering

About the role

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.

Base salary range: $175,000 - $200,000 depending on candidate's educational and professional background. Base salary is one component of total compensation, which may also include discretionary, performance-based bonus. Position is overtime-exempt.

Skills

C++LinuxLow-Latency SystemsMemory ManagementConcurrencyPerformance OptimizationProfiling ToolsTcpUdpMulticastEthernetLow-Latency Messaging
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