Principal Software Engineer

Schonfeld ·New York, New York, United States·Posted 28 August 2026

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About the role

The Role We are seeking an exceptionally talented, hands-on, high-performance C++ engineer for our Global Trading and Execution (GTX) technology group. Reports to the Head of GTX. GTX designs, develops, and supports our global Stat-Arb and Low-Latency execution platforms. Location, NYC. What You Will Do Design, develop, and deliver critical components within, and integrating, our Stat-Arb, Low-Latency, and High-Touch platforms Work 80% hands-on keyboard, 20% mentor, coordinate staff Work closely with the Systematic COO and Business Analysts who support the function on architecture and implementation Provide technical thought leadership within the team, and across the front office Provide Level 3 support across global operations What You Will Bring Minimum of ten years of experience in C++ development in a Linux based environment Expertise in C++ design for microsecond latency, including cache-conscious data structures, lock-free concurrency, and the C++ memory model Systems-level latency engineering, including kernel bypass, core isolation, NUMA-aware thread and memory placement, and syscalls off the critical path Excellent communication skills, written and verbal, including…

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