Job Description

C++ Developer

Chicago – Onsite

About The Role:

We are seeking a talented Developer with solid C++ experience and a strong command of the Linux environment to join our growing team.

What You'll Do:

As a key developer in our Futures Market Making team, you'll collaborate closely with other engineers to build direct exchange connectivity, tackle performance and scalability challenges, and create tools and datasets that empower quantitative research.

What We're Looking For:

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, Computer Engineering, or a related technical field.
• 5+ years of hands-on experience developing modern C++ applications at scale in Linux-based environments.
• Deep expertise in modern C++ (C++11 and beyond), including best practices for design, testing, and optimization, as well as fluency with major development tools and debuggers.
• Strong theoretical and practical understanding of data structures and concurrency primitives relevant to low-latency systems-e.g., lock-free queues, STL containers, templates, and high-performance hash maps.
• Solid understanding of computer hardware architecture and its impact on performance.
• Proven experience optimizing C++ applications for latency and throughput using benchmarking and micro-benchmarking tools and methodologies.
• Strong knowledge of networking concepts and protocols, especially TCP/UDP, along with experience working with sockets APIs and kernel bypass technologies such as Open Onload.
• Proficient in multi-threaded programming, including concepts such as atomics, mutexes, lock-free data structures, and thread synchronization.
• Comfortable working in Linux environments with skills in system configuration, performance tuning, monitoring, and scripting (shell, cron, systemd). Experience with advanced system-level topics like kernel tuning, interrupt handling, core isolation, and NUMA is a plus.
• Familiarity with relational databases and SQL for basic data manipulation and querying.
• Proficient with Git and common branching workflows in collaborative development environments.

OOJ-1428G

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