java developer financial markets

A leading financial institution is expanding its engineering capability in Poland to build a new enterprise-wide intermediary platform connecting the UI layer with multiple backend systems. The platform initially supports a consolidated trade blotter for FX Cash, Options, Commodities, and Interest Rates.

• Contribute to backend services within the platform engineering function;
• Develop messaging architecture and system integration patterns;
• Design solutions around messaging and system integration;
• Solve complex engineering problems in a high-impact environment;
• Deliver features for the intermediary platform and support ongoing expansion.

• Demonstrate core Java expertise, including concurrency and collections;
• Apply practical coding skills;
• Have experience with Kafka or Solace;
• Have experience with microservices and reactive programming;
• Understand solution design for messaging and system integration;
• Nice to have: financial markets knowledge.

• B2B Contract;
• Long-term engagement with multiple extensions expected;
• High-end market rate.