Senior C# Trading Systems Engineer

Vistulo is hiring for a major North American bank to develop FX electronic trading systems with ultra-low-latency architectures and real-time market data. The role involves building high-performance backend services for market data and electronic trading in a fully remote environment for residents of Poland.

• 7+ years of professional C# .NET development experience with strong understanding of algorithms, complexity, and multi-threading.
• Good knowledge of data structures and familiarity with the .NET collections library.
• Proven experience building backend services for front-office trading systems.
• Deep understanding of front-office workflows and electronic trading platforms.
• Experience building or contributing to electronic trading systems.
• Expertise in multi-threading, event-driven systems, and performance tuning.
• Ability to create maintainable, high-quality solutions for complex workflows.
• Strong communication skills and experience working in trader-facing environments.
• Knowledge for building low-latency (microseconds) trading systems.
• Familiarity with the FIX protocol.
• Ability to work with a 6-hour overlap with US Eastern business hours.

Nice to have:

• Familiarity with Broadway FX.
• Experience with Java.
• Computer science degree from a top Polish school.

• Design and implement robust software solutions for FX trading systems using C# .NET.
• Collaborate with other teams to research and implement changes to the trading system.
• Create thorough test cases to ensure software stability and reliability.
• Collaborate with operations teams on building new features and improving existing functionality.
• Support production issues, including root-cause analysis and diagnosis.
• Process business requirements with minimal guidance and implement them individually or in teams.
• Mentor junior developers.

Only candidates residing in Poland are eligible. Polish citizens and legal residents with permission to work in Poland are welcome.