Senior Java Developer

Are you an experienced Java Developer looking for challenging enterprise projects where you can make a real impact?

At Inetum Belgium, we are looking for a Senior Java Developer with strong expertise in Java, Spring Boot, Microservices, REST APIs, Cloud technologies (Azure/AWS), and modern software engineering practices.

You will work on large-scale digital transformation projects, helping leading organizations design, develop and maintain scalable enterprise applications. Together with architects, analysts, developers and business stakeholders, you will contribute to innovative solutions that deliver real business value.

Forget about conventional communication styles, the main language we speak is Java. If you are passionate about backend development, cloud-native architectures, software craftsmanship and continuous learning, you might be the next Java expert Inetum Belgium is looking for.

As a Medior - Senior Java Developer, you will:

• Develop, maintain and improve enterprise-grade Java applications.
• Design and implement scalable backend solutions using Java and the Spring ecosystem.
• Build and maintain RESTful APIs and integration services.
• Contribute to microservices and event-driven architectures.
• Collaborate with architects, analysts and development teams on complex cross-project initiatives.
• Participate actively in Agile and Scrum ceremonies.
• Identify opportunities for technical improvements and software optimization.
• Take ownership of software quality through unit testing, integration testing and code reviews.
• Ensure the delivery of well-designed, maintainable, testable and efficient code.
• Support and coach junior developers when needed.
• Contribute to development standards, best practices and technical documentation.

Required

• Minimum 5 years of hands-on experience in Java Development, with expertise in backend and/or full stack application development.
• Proven experience designing, developing and maintaining enterprise-scale software solutions.
• Strong analytical and problem-solving skills.
• Experience working in Agile development environments.
• Ability to communicate effectively with both technical and non-technical stakeholders.

Technical Skills & Experience

• Java (Java 8/11/17+)
• Spring Boot, Spring MVC, Spring Data & Spring Security
• REST APIs, SOAP, XML & JSON Integrations
• Microservices & Event-Driven Architectures
• Hibernate & JPA
• Maven & Gradle
• Azure and/or AWS
• Enterprise Application Servers (JBoss, WildFly, WebSphere, Oracle Middleware)
• Tomcat and similar runtimes
• CI/CD & DevOps Practices
• Automated Testing & Software Quality
• Agile & Scrum Methodologies
• AI-Assisted Development (GitHub Copilot, Microsoft Copilot)
• Fluent English
• Professional working proficiency in Dutch and/or French