HFT C++ Engineer
New York City Metropolitan Area
Fionics is hiring a C++ engineer in the New York City area to work on high-frequency trading systems. The role focuses on live trading infrastructure, including execution, market data, and performance tuning across the full stack, with code moving into production quickly. It is aimed at engineers with at least three years of experience in low-latency systems at an HFT or quant firm, especially those who want direct ownership and close collaboration with trading, research, and engineering. The company describes itself as a small, profitable proprietary HFT firm with all systems built internally and a strong emphasis on individual impact.
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