Senior Java Engineer (Trading Systems)

VISTULO is recruiting for a senior Java backend engineer to work remotely from Poland on trading systems for a top North American bank. The role involves building ultra-low-latency, high-performance backend services for equities, options, FX, and other asset classes in capital markets.

• Current Java programming experience with strong understanding of algorithms, complexity, multi-threading, and Java standard libraries.
• Good knowledge of data structures, including Java collections framework.
• Proven experience building backend services for front-office trading systems.
• Deep understanding of front-office workflows and electronic trading platforms.
• Experience with algorithmic order management or order routing systems.
• Expertise in multi-threading, event-driven systems, and performance tuning.
• Ability to break down complex workflows into maintainable, high-quality solutions.
• Strong communication skills and comfort working in trader-facing environments.
• Knowledge required for building low-latency (microseconds) trading systems.
• Ability to align work schedule with a 6-hour overlap with US Eastern business hours.

Nice to have:

• Exposure to time-series databases and market data integration.
• Familiarity with algorithmic workflows and pricing engines.
• A computer science degree from a top Polish school.

• Design and implement robust software solutions for equities and FX trading systems using core Java.
• Build high-performance backend services that algorithmically manage and route orders.
• Create thorough test cases to ensure software stability and reliability.
• Collaborate with operations teams regarding building new features and improving existing functionality.

Only open to residents of Poland, including Polish citizens and legal residents with permission to work in Poland. Successful candidates will need to pass a standard background check.