Senior Software Engineer

This range is provided by Radley James. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$/yr - $/yr

A work leading High-Frequency Trading firm is seeking a highly skilled Software Engineer to join there fast-paced, cutting-edge team in Chicago. You will work directly at the intersection of advanced computing, quantitative research, and real-time market systems, building and optimizing the ultra-low-latency infrastructure that powers the trading strategies.

This is an opportunity to contribute to systems that operate at nanosecond scale, tackle complex engineering challenges, and see your work have immediate, measurable impact.

• Design, build, and optimize low-latency trading systems and exchange connectivity.
• Develop high-performance software in C++, or Python for real-time execution.
• Profile, benchmark, and tune code to remove bottlenecks across CPU, memory, and networking.
• Collaborate closely with traders, researchers, and other engineers to implement new features and strategies.
• Work with cutting-edge hardware including kernel-bypassed networking, FPGA-accelerated systems, and custom monitoring tools.
• Own systems end-to-end—from architecture and implementation to testing and deployment.

• Strong experience in C++ or Python performance-oriented languages.
• Deep understanding of data structures, algorithms, concurrency, and operating systems.
• Experience with Linux systems, including performance tuning and low-level debugging.
• Ability to write clean, reliable, thoroughly tested code.
• Curiosity, self-direction, and a mindset geared toward continuous improvement.
• (Bonus) Experience with market data protocols, exchange APIs, or low-latency networking (e.g., DPDK, RDMA, kernel bypass stacks).
• (Bonus) Background in distributed systems, compilers, or FPGA tool chains.

Not Applicable

Full-time

Finance and Engineering

Financial Services, Capital Markets, and Investment Management

401(k)

Medical insurance

Vision insurance

Child care support

Pension plan

Paid maternity leave

Paid paternity leave

Tuition assistance

Student loan assistance

Disability insurance