Performance Engineer

Job Overview

Performance Engineer — Senior Level.

Location:

Chicago, IL, US. Salary: $200,000 - $260,000 per year.

We are seeking to grow our Performance Engineering Team, which focuses on a rigorous and holistic approach to improving software, hardware, and strategy performance. This team is responsible for maintaining and increasing our competitiveness at the various exchanges the firm does business with around the globe. As a member of this multidisciplinary team, you will investigate new opportunities for optimizations and bring these ideas to fruition through software optimizations, analysis of hardware, orchestration of physical installations, analysis of exchange-specific protocols, or by building tools for gauging the firm s performance.

• Contribute to the design and implementation of the trading engine by increasing its performance with projects such as benchmarking systems, evaluating new devices, and performing latency and throughput analysis.
• Develop tools and applications for benchmarking new devices and software.
• Assist with performance troubleshooting and identify key opportunities for improvement.
• Use a data-driven approach to collaborate with Trading, Quant, and Technology teams to expand and improve systems, footprint, and latency across different strategies and exchanges.
• Review and analyze how proprietary systems are leveraged, identify bottlenecks, and consider improvements to the technology stack to enhance trading success.

• BS/MS/PhD in a technical field (Computer Science, Math, Physics, Engineering) or equivalent experience.
• Strong C++ or Python programming background with demonstrated experience developing performant, scalable applications.
• Experience analyzing and tuning operating systems, compilers, networking, I/O subsystems, or accelerators.
• Exposure to statistical and experimental methods and tools for testing performance.
• Highly collaborative with excellent written and verbal communication skills.
• Ability to work on cross-functional teams including Trading, Development, IT, and Quant.
• Ability to react quickly and accurately to rapidly changing market conditions; ability to solve math and coding problems promptly is essential.

We are a premier, technology-driven firm operating at the intersection of complex software engineering and global financial markets. Our team solves high-stakes, real-time challenges where milliseconds matter and fosters a highly collaborative, multidisciplinary culture that empowers engineers to own end-to-end performance—from low-level software optimization to hardware implementation.

Join a team that emphasizes a holistic approach to performance, engineering solutions across software, hardware, operating systems, networks, and physical infrastructure.