Backend Java Developer banking

Location: hybrid in Warsaw, Gdynia or Gdańsk (3 days per week from office) Rate: up to 160 pln/h on b2b Tech stack: Java 21, Spring Boot, Postgres SQL, Messaging protocols such as JMS, MQ Summary: This role focuses on developing and enhancing Java-based applications related to taxation, account management, and investment processing for pension and savings products, ensuring compliance with regulations. Main Responsibilities: Upgrade applications to at least Java 17 and Spring Boot 3.3.x, with e…