Low-Latency C++ Software Engineer

12 hours ago


London, Greater London, United Kingdom NJF Global Holdings Ltd Full time
Job Opportunity

We are seeking a highly skilled Low-Latency C++ Developer to join our elite high-frequency trading team in London.

The ideal candidate will have a deep understanding of modern C++ and experience in developing and optimizing low-latency systems in a high-frequency trading environment.

The role involves designing and implementing ultra-low-latency trading infrastructure, ensuring we maintain our position at the forefront of the fast-paced cryptocurrency market.

Key Responsibilities:

  • Design and implement low-latency C++ systems to maximize throughput and minimize latency in our trading engine.
  • Utilize zero-copy techniques to optimize data transfer and minimize memory overhead.
  • Employ memory pools for efficient management of STL and custom containers.
  • Implement lock-free inter-process message queues with sub-microsecond latency.
  • Dive into Linux kernel and C++ standard libraries to optimize performance and resolve issues.
  • Interface with FPGA using raw DMA for high-speed data transfer.
  • Leverage C++20 coroutines and concepts for modern, efficient code.
  • Investigate and implement cutting-edge I/O APIs and frameworks like Seastar, io_uring, and BPF.
  • Build and optimize multi-threaded order gateways and market feed parsers with sub-10-microsecond latency.
  • Develop and implement fat-finger risk checks based on order history and current BBO.

Requirements:

  • Expert C++: Deep understanding of modern C++ (C++11/14/17/20), including template metaprogramming, STL, and performance optimization techniques.
  • Low-Latency Experience: Proven experience in developing and optimizing low-latency systems in a high-frequency trading or similar environment within the finance industry.
  • Linux & Networking: Strong knowledge of Linux internals, network programming, and socket optimization.
  • Multithreading & Concurrency: Expertise in multithreading, concurrency patterns, and lock-free algorithms.
  • Hardware Familiarity: Understanding of hardware architecture, memory hierarchy, and cache optimization.
  • Problem-Solving: Excellent analytical and problem-solving skills with a passion for performance optimization.
  • Financial Markets: Strong background and interest in cryptocurrency and financial markets.

What We Offer:

  • Competitive Compensation: We offer a highly competitive salary and bonus package commensurate with experience.
  • Cutting-Edge Technology: Work with the latest technologies and tools in a high-performance computing environment.
  • Collaborative Environment: Be part of a dynamic and collaborative team of the most talented engineers in the firm.
  • Learning & Development: Continuous opportunities for learning and professional growth.


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