Senior Java Developer

Location: Brussels, Belgium; 2 days of remote work per week.

Company

Médiane Benelux is an engineering company specializing in software, electronics, embedded systems, IoT, and cybersecurity projects across railway, automotive, energy, medical, aerospace, telecom, industrial, and defense sectors.

What you will do

• Design, develop, and maintain Java applications supporting digital transformation and operational excellence in the railway ICT sector.
• Produce secure, maintainable, and well-structured code that meets internal quality and security standards.
• Apply Test-Driven Development and maintain rigorous testing and documentation.
• Participate in Agile/Scrum ceremonies and continuous improvement initiatives.
• Implement CI/CD pipelines and DevOps practices to automate deployment.
• Troubleshoot complex bugs and performance issues.

Requirements

• At least 10 years of Java experience with Java 8 or higher.
• At least 15 years of Java development and bug fixing experience.
• At least 15 years of Spring Framework experience.
• At least 10 years of Test-Driven Development experience, including tools such as JUnit and Mockito.
• At least 10 years of experience with CI/CD tools including Git, Jenkins, and Artifactory, and with DevOps principles.
• At least 15 years of experience with Hibernate, JPA, and SQL databases including PostgreSQL, MySQL, and Oracle.
• Fluent French or Dutch at C1 level and good knowledge of the second national language at B1 level.
• Strong team spirit, excellent communication, autonomy, precision, reliability, and a proactive, solution-oriented mindset.
• Ability to document work and comply with ISO 9001, ISO 27001, and EN 50.128 quality and security norms; willingness to learn and adapt to new technologies.

Culture & Benefits

• Agile/Scrum work with software engineers and analysts in a collaborative, human-sized environment.
• Personalized follow-up, continuous training, and skill development.
• Attractive salary package with additional legal days off.
• Mobility package covering transport or a car, DKV, group insurance, meal vouchers, and eco vouchers.
• Projects emphasize innovation, quality, security, reliability, and responsible commitment for the project duration.