The Systematic Platform Execution & Exchange Data (SPEED) Team is at the core of Millennium's Equities, Quant Strategies, and Shared Services Technology organization, powering the firm's lowest‑latency solutions for systematic and high‑frequency trading. SPEED delivers the live trading and market‑data platforms used by portfolio managers and risk systems, including Latency Critical Trading (LCT), DMA OMS (Client Direct), DMA market data feeds, packet capture (PCAPs), enterprise market data, and intraday data services across latency tiers from sub‑100 nanoseconds to millisecond‑sensitive workflows. By building and operating this execution and data infrastructure, SPEED enables portfolio managers and researchers to compete effectively in the most time‑critical markets. As a Senior HFT Developer on SPEED, you will design and build core low‑latency components for order entry, market data, exchange simulation, feature extraction, and strategy containers, initially focused on delivering the ...