Low Latency Engineer

Low Latency Engineer

New York

Posted on

Nov 24, 2025

About the job

We are seeking a highly skilled C++ engineer with extensive experience in high-frequency trading systems to join one of the fastest growing proprietary trading firm. This is a leading quantitative finance firm specializing in the development of multi-asset portfolios through advanced machine learning methods. The firm continuously enhances its investment and research platform, utilizing a vast array of data variables to create complex trading models and strategies. These models generate trading signals aimed at outperforming market conditions globally. 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

Full time

On site

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