Demo

Senior Software Engineer, C++

Exegy
St Louis, MO Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/13/2026
About Exegy

Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.

Job Summary

Exegy is seeking a highly motivated senior level software engineer to work closely with other dedicated engineers in our Market Data Engineering group. The engineer will be responsible for the design, implementation, documentation, and debugging of time critical, multi-threaded, distributed applications that interact with Exegy’s custom hardware acceleration devices. Successful candidates should have a strong work ethic, work well with others in a team environment, and the ability to quickly learn complex concepts relating to market data processing systems.

Responsibilities

  • Design and build ultra-low latency Foreign Exchange feed handlers for Equities, Options, Commodities, Fixed Income and Foreign Exchange markets
  • Design and build reusable and extensible software to process financial market data in an ultra-low latency system
  • Refactor and test existing software implementations
  • Support Technical Account Managers and Operations
  • Mentor other Market Data Engineer developers
  • Work with other development groups at Exegy on strategic initiatives
  • Identify ways to automate testing, packaging, and deployment

Our Ideal Candidate Has

  • BS degree in Computer Science, Electrical Engineering, or relevant industry experience
  • 7 years’ experience in developing multithreaded C software systems
  • 5 years’ experience in designing clean and extensible object-oriented designs
  • Experience in applying design patterns
  • Experience with scripting languages, Python preferred
  • Familiarity with Linux operating systems (RedHat, CentOS, SUSE Linux)
  • Experience with Linux development and debugging tools
  • Knowledge of profiling, memory leak detection and other code analysis
  • Experience developing real-time or ultra-low latency C software systems preferred
  • Experience with financial market data preferred

Salary.com Estimation for Senior Software Engineer, C++ in St Louis, MO
$128,905 to $154,411
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Job openings at Exegy

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