Low-Latency C++ Engineer — High-Impact Systems

OP Recruiting; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

OP Recruiting is seeking a Software Engineer – Low-Latency C++ to join a premier trading firm building ultra-fast, fault-tolerant infrastructure. You will design, profile, and optimize high-throughput data engines and execution platforms in collaboration with researchers and systems architects.

The role emphasizes hands-on C++ development, Linux internals, and minimizing latency to nanoseconds across WAN deployments, with a strong focus on production-grade reliability and performance.

Qualifications

• Proficient in C++ with focus on low-latency applications.
• Strong understanding of Linux/Unix internals, memory architectures, and network protocols.

Responsibilities

• Design, build, and enhance ultra-low-latency execution platforms and market data engines.
• Perform deep performance profiling to minimize latency and maximize throughput in production.
• Engineer fault-tolerant architecture for WAN environments and continuous live operation.
• Develop interfaces for hardware acceleration (FPGAs, ASICs) integrations.
• Maintain scalable back-end infrastructure for distributed file systems and large research workflows.

Skills

C++

Linux internals

Performance profiling

Networking TCP/UDP

System debugging

Education

Bachelor's degree in CS/CE

Job description

OP Recruiting is seeking a Software Engineer – Low-Latency C++ to join a premier trading firm building ultra-fast, fault-tolerant infrastructure. You will design, profile, and optimize high-throughput data engines and execution platforms in collaboration with researchers and systems architects.

The role emphasizes hands-on C++ development, Linux internals, and minimizing latency to nanoseconds across WAN deployments, with a strong focus on production-grade reliability and performance.