We are looking for a highly skilled Senior Java Developer with strong experience in designing and developing service platforms using modern architectural patterns. This role involves working with microservices, event-driven architectures, and cloud-native technologies, contributing to the evolution of scalable and resilient platforms.Work model: Hybrid (2 days per week onsite in Porto).Education & Professional Background- Bachelor's or Master's Degree in Computer Engineering or a related field. - Minimum 5 years of solid experience in analyzing and developing service platforms (EAI/SOA/Microservices) using Java/Spring. - Experience with microservice architectures, Hexagonal/Clean/Circular architectures, and event-driven architectures. - Nice to have: Experience with JSF development.️ Main Responsibilities- Design and development of Microservices - Interaction with SQL Server and PostgreSQL databases. - Development and maintenance of CI/CD pipelines (GitLab CI, ArgoCD, Jenkins, Sonar, Nexus Sonatype, IQServer & Fortify). - Work with Spring Cloud (Spring Cloud Stream, Spring Cloud Gateway, Spring Data Flow). - Build and integrate RESTful services and messaging systems.Technical Skills- Java 17 or higher - Unit Testing (Mockito or Spock) - Maven - Spring Framework (Spring Boot, Spring Data JPA, Spring Batch) — - Cloud development: Kubernetes, Helm, HashiCorp VaultLanguage Skills- English B2Soft Skills- Strong organization and planning. - Excellent teamwork and collaboration. - Ability to abstract, conceptualize, and design solutions. - Problem analysis and resolution. - Exceptional communication skills.