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.
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