C++ Developer (Low-Latency Trading)

Selby Jennings; Chicago (IL); On-site; USD 150,000 - 230,000; Full time

Job summary

Selby Jennings in Chicago is seeking exceptional C++ Engineers to join its core trading technology team. This role focuses on latency-sensitive systems, working directly with traders and quants to optimize performance and build the next generation of electronic trading infrastructure.

Design and develop low-latency, high-throughput software; optimize across the stack from architecture to network; build scalable components that process real-time market data and execute trades in microseconds.

Qualifications

• Strong C++ development with focus on performance.
• Experience with low-latency systems in production.
• Solid knowledge of multithreading, concurrency, and data structures.
• Experience in distributed systems and high-performance networking.

Responsibilities

• Design and develop low-latency, high-throughput trading systems in modern C++.
• Optimize performance across trading stack from architecture to network/hardware.
• Build scalable systems that process real-time market data and execute trades in microseconds.
• Collaborate with traders and quants to impact P&L with technology.

Skills

Low-latency C++

Multithreading

Concurrency

Distributed systems

Networking

Algorithms & data structures

Job description

A leading proprietary trading firm and options market maker is seeking exceptional C++ Engineers to join its core trading technology team. This is an opportunity to work on some of the most latency-sensitive systems in the industry, partnering directly with traders and quantitative researchers to optimize trading performance and build the next generation of electronic trading infrastructure.

What You Will Do:

• Design and develop low-latency, high-throughput trading systems in modern C++.
• Optimize performance across the entire trading stack, from software architecture to network and hardware interactions.
• Build scalable systems that process real-time market data and execute trades in microseconds.
• Partner closely with traders and quants to deliver technology that directly impacts P&L.

What We're Looking For:

• Strong C++ development experience with a focus on performance optimization.
• Background in low-latency systems, distributed systems, networking, or high-performance computing.
• Deep understanding of multithreading, concurrency, algorithms, and data structures.
• Proven track record of solving complex technical challenges in demanding production environments.