Senior Java Software Engineer

Inetum2

Lisbon, Lisbon, Portugal Hybrid permanent

Posted: January 7, 2026

Quick Summary

We are seeking a Senior Java Software Engineer to join our team in Lisbon, Portugal. The ideal candidate will have expertise in Java programming and experience with agile methodologies. The successful candidate will be responsible for designing and developing scalable and maintainable software solutions.

Required Skills

Job Description

Inetum is a European leader in digital services. The Inetum team, made up of 28,000 consultants and specialists, works every day to create digital impact for businesses, public sector entities, and society. Inetum’s solutions aim to contribute to the performance and innovation of its clients, as well as to the common good.

Present in 19 countries with a dense network of locations, Inetum collaborates with leading software vendors to tackle the challenges of digital transformation with proximity and flexibility.

Driven by its ambition for growth and scale, Inetum generated a turnover of €2.5 billion in 2023.

Join a team at the forefront of telecommunications and IT services, specializing in innovative solutions such as web hosting, cloud computing, and internet services. With a strong commitment to innovation, we are shaping the future of connectivity, including the deployment of state-of-the-art 5G technology. Your main mission will be to migrate JBoss systems to a new cloud environment based on Spring Boot.

• + 3 years off Development experience
• Experience with Java (version > 21), REST API and Spring Framework
• Experience with Kubernetes & Helm
• Unit & Integration Testing Experience (Mockito, JUnit 5)
• Experience with Git, Swagger, IntelliJ IDEA and Maven
• Professional English level

Nice-to-Have

• Wildfly
• SQL (Preferred: PostgreSQL, Sybase)
• Testcontainers
• ELK Stack
• Atlassian tools (Bitbucket, JIRA, Confluence)
• Jenkins (CI/CD)
• Java Swing or JavaFX
• Agile Development experience
• Professional German level

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