Software Engineer (low latency C++) at Fintal Partners Software Engineer (low latency C++) at Fintal Partners in River Grove, Illinois Posted in 5 days ago.

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full-time We are partnering with a leading proprietary trading firm seeking a talented Senior C++ Developer to join a high-performance engineering team building technology that powers real-time trading across global financial markets. This is an opportunity to work on mission-critical systems where performance, reliability, and latency are paramount. Key Responsibilities 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. Requirements 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.