Senior Java Developer Opportunity

Period: 01/03/2025 – 28/02/2026

Location: Brussels

Language Skills: Dutch or French (knowledge of the second national language) + English

Job Description:

As a Senior Java Developer, you are primarily responsible for developing software, supporting the software development life cycle, and contributing to the improvement of the data processing platform and associated applications.

Profile:

• Result-oriented, both for yourself and the team.
• Excellent knowledge of the lifecycle and phases of a software development project, the various roles, and tooling.
• Experience with at least one of the Agile project management methods (Scrum, Kanban, Lean, ...).
• Excellent communicator, strong individually and a team player.
• Upholder of agreed principles and pragmatic when necessary.
• Problem solver with a curious mindset.
• Capable of growing individual developers and the team through knowledge transfer and guidance.
• Technical responsibility in all stages and iterations of software development.
• Supervision of the creation of software-intensive systems, from the design phase to production deployment.
• Planning and directing software development activities with appropriate methods, tools, and techniques.
• Measuring and monitoring the application of agreed standards for software development, including security standards.
• Contributing to the development of policies, standards, and guidelines for software development.

Required Skills:

• Expert Enterprise Java Developer with experience in multiple domains.
• In-depth knowledge of Java software development and application of design patterns, best practices, ...
• Experience with network design: knowledge of network protocols, security, and scalability.
• Advanced understanding of application security.
• Web services technologies: Microservices, REST, JSON, SOAP, WSDL, XML, XSD, ...
• Web client technologies: HTML, CSS, Typescript, AJAX, ...
• Data processing: SQL, NoSQL, Graph, Elastic (ELK), ... including data management tools.
• Tools: Git, GitLab CI/CD, Maven, Gradle, IntelliJ, Docker, OpenShift, Jira, ...
• Infrastructure: VMware, Red Hat Enterprise Linux, Red Hat OpenShift, ...
• Angular Web Application Framework development.

Experience:

• At least 10 years of experience in software development in Java and its ecosystem, and the Spring.io framework for backend services.
• Developing applications based on business and functional analyses in collaboration with Business/Functional analysts.
• Conducting technical analyses, documenting, and presenting before implementation begins.
• Supporting test and quality initiatives for quality software in production.
• Providing technical documentation as a standard part of the work.
• Experience in technically professionalizing development environments.
• Experienced coach leading developers to excellence.
• Contributing to the maintenance of applications to improve or adapt them to changes in software or infrastructure standards.
• Addressing application-related incidents and seeking the most suitable solutions.
• Following technological developments and providing technical advice in specific areas of expertise.
• Implementing best practices.

Work Context:

• Belgian nationality required.
• Security clearance at the "Very Secret" level required or willingness to obtain it.
• Remote work is not possible; 5 days on-site in Brussels.
• Workplace within walking distance of Brussels North station.
• Very flexible working hours.