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 Do

• Design, 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.

Qualifications

• 5+ 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 Join

• Work 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.

Benefits

• Medical, 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.