€380 - €400 a day
Key Responsibilities
Design, develop, and maintain backend services using Java 21, Spring, and Spring Boot 3
Implement and integrate REST APIs for internal and external systems
Apply BPMN knowledge (Camunda BPM preferred) for long-running processes
Conduct unit testing using JUnit to ensure code quality
Manage builds and dependencies with Maven
Work with PostgreSQL, ideally with JSONB
Design and develop scalable, maintainable microservice architectures
Collaborate closely with product owners, architects, developers, and DevOps teams
Contribute to the continuous improvement of development processes and tools
Ensure solutions meet performance, stability, and security standards
Required Skills & Experience
Proven professional experience in backend development with Java (Java 21 preferred)
Strong knowledge of Spring and Spring Boot 3
Solid understanding of BPMN (Camunda BPM is a strong advantage)
Experience with REST API development and integration
Proficiency in JUnit for unit testing
Experience in Maven build management
Solid knowledge of PostgreSQL (JSONB is a plus)
Strong background in microservice architecture design and implementation
Agile mindset and experience working in Scrum/Kanban teams
Excellent command of English (spoken & written)