Java Backend Engineer - FinTech Calypso Specialist w Warszawa, Polska

Accenture is seeking a Java Backend Developer to design, develop, and maintain backend services using Java 17+, Spring Framework, and Spring Boot 3.x. You will work with Nasdaq Calypso to support financial systems and integrate messaging platforms like Kafka, JMS/ActiveMQ, or RabbitMQ.

The role involves developing optimized SQL queries, implementing comprehensive tests with JUnit, and applying secure coding practices to improve reliability and performance. English communication is essential.