> Markdown version of [/jobs/ext/4620590-quantitative-developer](https://www.wearedevelopers.com/jobs/ext/4620590-quantitative-developer). 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). --- # Quantitative Developer - **Company:** ACCESS SEARCH INC - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Communications Protocols, Memory Management, Object-Oriented Software Development, Socket Programming, Software Engineering, TCP/IP, Multithreading, Concurrency, Build Management, Information Technology, Low Latency, Real Time Data, C++14 - **Published:** November 7, 2026 - **Apply:** https://www.thejobnetwork.com/job/b8d54f42-a07c-458c-b0e2-6ba8abb3e2a9/quantitative-developer ## About the Role * Bachelor's, Master's, or PhD in Computer Science, Engineering, Mathematics, Physics, or a related technical discipline. \n * 5+ years of professional software development experience using modern C++ (C++14 or newer). \n * Strong understanding of multithreading, concurrency, memory management, and object-oriented design. \n * Experience with network and socket programming, including TCP/IP and UDP. \n * Proficiency working in Linux/Unix environments. \n * Experience diagnosing complex technical issues and optimizing software for performance and efficiency. \n * Strong software design and architectural skills, with the ability to write clean, maintainable, and efficient code. \n * Excellent analytical, problem-solving, and communication skills. \n * A collaborative mindset and genuine interest in solving challenging engineering problems. \n, * Experience working within financial services, capital markets, or other performance-sensitive industries. \n * Familiarity with financial instruments, market structure, or risk-related concepts. \n * Exposure to exchange connectivity, financial messaging protocols, or real-time data systems. \n * Experience with FIX or other industry-standard communication protocols., * Knowledge of kernel-bypass technologies or other advanced low-latency engineering techniques. ## Description We are seeking an experienced C++ Software Engineer to help design and build high-performance software within a sophisticated, technology-driven financial environment. This is an opportunity to work on performance-critical systems where efficiency, reliability, and engineering quality directly impact business outcomes.