Senior C++ Engineer – Low-Latency / High-Frequency Systems - Phaxis : Job Details

Salary is 130k to 140k + bonus

We are looking for a highly skilled Senior C++ Engineer to join a specialized engineering team focused on developing ultra-low latency, high-frequency systems. This role involves building performance-critical C++ applications used in environments where speed and reliability are non-negotiable. You will work alongside domain experts to create efficient, real-time solutions that drive competitive edge.

Responsibilities:

• Design and implement real-time software in modern C++ (C++17/20)
• Optimize systems for latency, throughput, and performance
• Develop and maintain multithreaded and asynchronous components
• Conduct in-depth profiling and debugging to fine-tune system performance
• Collaborate with cross-functional teams including hardware, network, and infrastructure engineering
• Build deployment pipelines and monitoring tools for production systems
• Write clean, maintainable, and testable code for long-term sustainability

Requirements:

• 7+ years of professional experience in C++ development, ideally in performance-critical environments
• Deep understanding of systems programming, multithreading, memory management, and low-level optimization
• Experience with network protocols such as TCP, UDP, and multicast
• Strong knowledge of Linux internals and kernel-level performance tuning
• Background in high-frequency trading, telecom, or real-time gaming is a plus
• Bachelor's or Master's degree in Computer Science, Engineering, or a related field

Preferred Qualifications:

• Familiarity with kernel bypass technologies (e.g., DPDK, Solarflare) or FPGA acceleration
• Scripting experience in Python for automation or tooling
• Exposure to performance benchmarking tools and monitoring stacks