Your future role within QRT

Design and implement low-latency trading systems on Linux, focused on throughput, reliability, and determinism

Engineer scalable, high-performance distributed systems that support global real-time trading workflows

Analyse system behaviour using low-level tools such as packet captures, core dumps, and runtime profilers

Apply deep expertise in TCP, UDP, and multicast to understanding trade-offs in short-haul vs long-haul networks

Continuously profile, benchmark, and optimise code to reduce latency and increase throughput

Engage across the full software lifecycle: from architecture to debugging in live trading environments

Your present skillset

2+ years of professional C++/C development experience on Linux, including modern C++ and multithreading

Strong expertise in TCP, UDP, multicast, and performance trade-offs in low-latency networks

Experience building and operating high-throughput distributed systems in production

Familiarity with scalable I/O models (e.g., epoll, io_uring), lock-free structures, and concurrent programming

C++ Software Engineer - Core Trading Technology

Responsibilities