Senior / Staff Software Engineer — Algorithmic Execution Platform

Requirements:

• 7+ years of experience building high-performance, low-latency systems in C++ in a production environment
• Deep knowledge of FIX protocol (4.2/4.4) and the full order lifecycle — entry, routing, execution, cancellation, and reporting
• Experience with exchange market data protocols (ITCH, OUCH, binary feed formats) and building production-grade feed handlers
• Strong understanding of low-latency architecture — kernel bypass, lock-free data structures, CPU affinity, memory layout, and hot-path profiling
• Experience with multicast messaging (Aeron, LBM, or equivalent publish/subscribe transport)
• Solid grasp of U.S. equity market structure: order types, Reg NMS, venue routing, lit and dark pools
• Comfortable working in Linux, including performance tuning at the OS level
• Bachelor’s degree or higher in Computer Science, Engineering, Mathematics, or a related STEM field
• Nice To Haves:
• Experience building algorithmic execution or SOR infrastructure at a broker-dealer, prop firm, or exchange
• Familiarity with options or futures execution infrastructure
• Experience with pre-trade risk system design — firm-level and account-level controls
• Knowledge of CAT reporting requirements and how they shape system design
• Experience building platforms designed to service multiple asset classes from a shared execution layer
• Exposure to international markets and cross-region system design
• Experience with fractionalization and/or internalization
• Proficiency in Python for internal tooling and test infrastructure
• Familiarity with containerization and Kubernetes-based deployment
• We Offer: The Base Salary Range for this role is $200,000 - $350,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street’s total compensation. The range stated does not include other factors of total compensation such as bonuses or equity.
• At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender neutral parental leave, and full medical, dental and vision insurance. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views.
• Our top priority is our people. We’re continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other’s successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse — in ideas, in cultures, and in experiences. We are proud to be an equal opportunity employer and put in the effort to make such a workplace a daily reality. #LI-Hybrid
• The Base Salary Range for this role is $200,000 - $350,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street’s total compensation. The range stated does not include other factors of total compensation such as bonuses or equity.