We're hiring | Java Developer At Empa-T, we believe that technology grows best when people are at the center.
We're looking for a Java Developer with strong experience in EJB and modern Java versions (11, 17, 21), to join a strategic migration project in an international environment.
You will play a key role in modernizing legacy systems and contributing to the transition towards more scalable and maintainable architectures.
Key Responsibilities - Develop and maintain backend services using Java (11, 17, 21) and EJB - Contribute to the migration of legacy systems (EJB-based) to modern architectures (Spring or microservices-based) - Analyze existing systems and propose improvements in performance, scalability, and maintainability - Develop and integrate REST APIs with internal and external systems - Collaborate with cross-functional teams (Business, QA, DevOps) - Ensure code quality through best practices, testing, and documentation - Participate in Agile ceremonies and continuous improvement initiatives Required Skills & Experience - +5 years of experience in Java development - Strong experience with EJB and legacy Java architectures (J2EE) - Experience with Java 11, 17 or 21 - Experience in migration projects / modernization of legacy systems - Solid knowledge of Spring Framework / Spring Boot is a plus - Experience building RESTful APIs - Knowledge of SQL databases and ORM tools (Hibernate/JPA) - Experience with CI/CD pipelines (e.g., Jenkins, GitHub Actions) - Exposure to Docker / Kubernetes - Knowledge of event-driven architectures (Kafka, RabbitMQ) - Experience in Agile/Scrum environments - Fluent in English - Hybrid: 1x/week at the office (Lisbon or Porto) Why Empa-T?
At Empa-T, we value empathy, inclusion, integrity, and commitment.
We combine strong technical expertise with a human-centric culture, creating an environment where people can grow, collaborate, and make a real impact.