Hiring: Sr. Software Engineer II, Exchange Connectivity Company: NinjaTrader Location: Chicago, IL Job Posted Time: 2026-09-10 11:55:56 Employment Type: Contract / Remote Target Skills & Keywords : C++, Capital Markets, FPGA, Linux, REST, Rust, WebSocket About the job Experience: •Performance profiling and tuning using perf, VTune, Wireshark, or similar tools to analyze and reduce latency •Low-latency systems development with deep experience optimizing for performance, throughput, and determinism in production trading environments •Building and maintaining real-time feed handlers for exchange protocols •Operational familiarity with U.S. and international exchange APIs and connectivity protocols •Expert-level Linux knowledge, including performance tuning, kernel parameters, NUMA, and clock synchronization (PTP) Compensation: •$140,000 - $190,000 / year •Flexible work environment (work from home / hybrid options) •In addition, this position will also receive an annual target bonus of 12% Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!