> Markdown version of [/jobs/ext/3655375-software-engineer-low-latency-c](https://www.wearedevelopers.com/jobs/ext/3655375-software-engineer-low-latency-c). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (low latency C++) - **Company:** Fintal Partners - **Location:** Des Plaines, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, C++ (Programming Language), Software Code Optimization, Profiling, Concurrent Computing, Memory Management, Python (Programming Language), Network Protocols, Performance Tuning, Remote Direct Memory Access, Software Engineering, System Programming, Multithreading, Low Latency, C++14 - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75947306-software-engineer-low-latency-c ## About the Role * Strong commercial experience developing software in modern C++ (C++17/20 preferred). * Proven experience building low-latency, high-performance systems. * Deep understanding of performance optimization, memory management, multi-threading and concurrent programming. * Experience profiling applications and optimizing CPU, cache utilization and network performance. * Strong knowledge of Linux development environments and systems programming. * Excellent problem-solving skills and a passion for writing highly efficient code. Nice to Have * Experience within proprietary trading, hedge funds or electronic market making. * Knowledge of networking protocols (TCP/UDP), kernel bypass technologies, RDMA or DPDK. * Familiarity with exchange connectivity, market data or order management systems. * Exposure to Python for tooling or automation. This is an excellent opportunity to work alongside some of the industry's strongest engineers, solving complex technical challenges where every microsecond counts. ## Description * Design, develop and optimize high-performance C++ applications for low-latency trading environments. * Reduce system latency through profiling, performance tuning and code optimization. * Build scalable, resilient software used in electronic trading and market data processing. * Work closely with traders, quantitative researchers and infrastructure engineers to deliver cutting-edge solutions. * Identify bottlenecks across software and hardware, implementing improvements to maximize throughput and minimize latency.