Senior Java Backend Engineer (Trading Systems)

Join the Java Engineering Team at a top North American bank working on large scale and high performance financial trading systems in the capital markets division. This role is fully remote for residents of Poland only and involves being part of the core product team building highly-performant, low-latency systems used across the firm.

• Strong understanding of programming concepts, including algorithms, complexity, and data structures.
• Good knowledge of the data structures in the Java standard library - both breadth and internals.
• Experience building distributed service-based applications based on message queues.
• Strong analytical and problem-solving skills to diagnose production performance issues measured in microseconds.
• Open mind, curiosity, and a strong desire to learn new technologies and business domains.
• Ability to clearly explain non-trivial systems and algorithms.
• Ability to follow and understand technical conversations.
• Know when and how to ask questions that speed up learning.
• Ability to align working schedule to US Eastern business hours.

Nice to have:

• Experience with financial markets and trading systems.
• Knowledge of AWS systems.
• Experience with Spring Boot (some teams).
• Experience with JVM tuning (some teams).
• Experience working remotely with North American firms.
• A computer science degree from a top Polish school.

• Design and implement robust software solutions for the bank’s trading systems using core Java (versions 8, 17, and 21).
• Understand, develop, and improve the subsystems used by other teams in the trading platform.
• Create thorough test cases to ensure software stability and reliability.
• Collaborate with operations teams regarding building new features and improving existing functionality.
• Support production issues, including root-cause analysis and diagnosis.

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