Low-Latency C++ Engineer for Global Trading Platform

Quberesearchandtechnologies; Chicago (IL); On-site; USD 150,000 - 220,000; Full time

Benefits offered by this job

Competitive benefits

Discretionary bonuses

Job summary

Qube Research & Technologies (QRT) seeks an experienced C++/C software engineer to join the Core Trading Platform in Chicago. You will design and implement low-latency trading systems on Linux, focusing on throughput, reliability, and determinism, and work closely with traders and operations to optimize performance in live markets.

You will diagnose system behavior with profiling tools, apply expertise in TCP/UDP/multicast networking, and continually profile, benchmark, and optimize code to

Qualifications

• 2+ years of professional C++/C development on Linux.
• Strong understanding of TCP/UDP/multicast and low-latency networks.
• Experience building high-throughput distributed systems in production.
• Familiarity with scalable I/O models and concurrency.
• Proven debugging and performance-tuning skills.

Responsibilities

• 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.

Skills

C++/C development

Low-latency networking

Linux

Distributed systems

Profiling tools

Autonomy

Tools

epoll/io_uring

gdb

perf

tcpdump

wireshark

Job description

Qube Research & Technologies (QRT) seeks an experienced C++/C software engineer to join the Core Trading Platform in Chicago. You will design and implement low-latency trading systems on Linux, focusing on throughput, reliability, and determinism, and work closely with traders and operations to optimize performance in live markets.

You will diagnose system behavior with profiling tools, apply expertise in TCP/UDP/multicast networking, and continually profile, benchmark, and optimize code to