Senior C++ Developer (Low-Latency Market Data)

Salary: $110,000 - 140,000 per year Requirements: Strong proficiency in modern C++ (C++17/20 or later) Solid understanding of concurrency and synchronization, including lock-free or low-lock patterns, atomics, and memory models Proven experience building performance-critical, real-time, or low-latency systems, such as networking, trading systems, telemetry, or gaming engines Strong computer science fundamentals, including data structures, algorithms, memory management, and optimization Practical experience with Linux systems programming, including sockets, epoll/select, threads, memory management, and CPU affinity Experience with profiling, benchmarking, and performance analysis tools such as perf, valgrind, flame graphs, and CPU or memory profilers Proficiency with Git and standard build systems such as CMake or Ninja Strong problem-solving skills and attention to detail, with the ability to work in a fast-paced environment Experience with kernel-bypass or user-space networking technologies such as DPDK, RDMA, VMA, or Solarflare/OpenOnload is helpful but not required Experience in financial markets, market data distribution, order routing, or exchange connectivity is a plus Familiarity with market data protocols such as FIX, MDP, ITCH, or proprietary exchange feeds is a plus Experience with multicast, low-latency networking, and clock synchronization such as PTP is beneficial Exposure to hardware-aware optimization, including NUMA, cache optimization, vectorization/SIMD, or CPU pinning, is beneficial Experience with monitoring and telemetry for high-performance systems, including latency histograms, throughput metrics, or SLAs, is beneficial Familiarity with scripting languages such as Python or Bash for tooling and automation is beneficial Responsibilities: Design, implement, and maintain high-performance C++ services that handle high message rates and low-latency workloads Optimize existing components for latency, throughput, and CPU and memory efficiency Develop and tune networking, messaging, and I/O layers to reliably process large data volumes Profile and debug performance issues across application, operating system, and network layers Collaborate with quantitative, trading, and infrastructure teams, or analogous business and technology teams, to turn requirements into robust technical solutions Write clean, production-quality code with appropriate tests and documentation Take part in code reviews, design discussions, and ongoing improvements to engineering practices Technologies: Bash Git Hardware Linux Network Python RDMA C++ More: We are seeking a C++ engineer to build high-performance, low-latency applications that process large volumes of real-time data. This role involves optimizing systems across algorithms, data structures, networking, and operating-system interactions, where microseconds and throughput matter. Compensation is USD 110,000–140,000 gross per year, based on interview results. last updated 39 week of 2026