Senior C++ Software Engineer

A proprietary trading firm specializing in electronic options market making is seeking an experienced C++ Engineer to join its technology team. The firm takes a highly quantitative and technology-driven approach, building automated, scalable trading systems designed to provide liquidity across financial markets.This role works closely with traders and engineers to develop and optimize the low-latency infrastructure supporting trading strategies and execution.What You'll DoDesign, develop, and optimize low-latency C++ applications supporting electronic trading strategies.Partner directly with traders and engineers to turn trading ideas into reliable, production-ready systems.Analyze system performance and data to identify bottlenecks and prioritize improvements.Enhance interactions between applications and system components in a controlled and testable environment.Migrate and rewrite complex Java applications into C++.Optimize production systems for latency, throughput, reliability, and scalability.Debug and profile performance-critical applications in a Linux environment.Qualifications5+ years of experience within an options market-making or electronic trading firm.Advanced proficiency in modern C++.Strong understanding of data structures, algorithms, concurrency, and computer science fundamentals.Experience with debugging, profiling, and performance optimization.Strong knowledge of Linux and system-level programming.Ability to make sound technical decisions around system behaviors and configuration.Proven ability to translate trading and business requirements into scalable production code.Why JoinWork within a small, highly collaborative team with direct exposure to senior leadership.Take meaningful ownership of technology that directly impacts trading performance.Build and improve proprietary low-latency trading systems and quantitative infrastructure.Work closely with traders in an environment with fast feedback and development cycles.Join a Chicago-based team within one of the country's leading electronic trading markets.BenefitsMedical, dental, and vision insurance with employee premiums fully covered.401(k) with a 4% company match.Unlimited PTO and sick leave.Complimentary lunch, coffee, drinks, and snacks.Commuter benefits.Regular team events and company outings.