C++ Engineer, Trading Systems — Chicago, IL

Software Engineer, C++ Trading Systems

We're partnering with a proprietary trading firm making who is looking to add a C++ Software Engineer to design and build the low-latency systems that power live trading, risk, and pricing across the firm.

Responsibilities:

• Build and maintain high-performance distributed systems that process real-time and historical market data at scale

• Design low-latency C++ (C++17/20) components supporting core trading infrastructure, including execution and order handling

• Partner with traders and engineers to turn strategy and modeling requirements into production-grade code

• Apply multithreaded and lock-free programming techniques to improve throughput and reduce latency across the stack

• Use profiling and diagnostic tooling to identify bottlenecks and guide performance improvements

Requirements:

• Background at a proprietary trading firm, market maker, or similar electronic trading environment is required.

• 4+ years of professional C++ experience in a high-performance, real-time trading environment

• Solid foundation in data structures, algorithms, concurrency, and memory management

• Linux-based system-level programming experience, including networking fundamentals (TCP/IP, UDP, sockets)

• Hands-on debugging/profiling skills (GDB, Wireshark, tcpdump, or equivalent)

• A plus: exposure to options/derivatives pricing models, quantitative research platforms, or KDB+/q for time-series analysis