Technical Lead (Java) – Real-Time Railway Traffic Systems

Location: Brussels, Belgium, with two days per week of remote work

Company

Médiane Benelux is an engineering company specializing in software, electronics, cybersecurity, embedded systems, IT consulting, digital transformation, IoT solutions, and project management across sectors including railways, automotive, energy, medical, aerospace, telecoms, industry, and defense.

What you will do

• Act as Technical Lead within a full-stack Java Agile/Scrum squad.
• Design, develop, maintain, refactor, and extend complex real-time applications for railway traffic monitoring and control.
• Ensure production performance, reliability, and high availability.
• Support and coach developers while promoting clean, readable, and reusable code.
• Maintain technical and functional documentation and apply internal standards and procedures.
• Participate after onboarding in a 24/7 on-call rotation of approximately one week every eight weeks.

Requirements

• Master’s degree in Computer Science or equivalent.
• 5–10 years of experience as a Senior Java Full-Stack Engineer or Technical Lead, including at least five years as a Java full-stack engineer.
• Strong expertise in Java 17 and exposure to Java 21 or later.
• Good knowledge of Tibco RDV, Eclipse RCP, and Hazelcast.
• Hands-on experience with Docker, Kubernetes, OpenShift, and CI/CD pipelines using Jenkins and GitLab.
• Experience with Jira Agile, Xray, and Confluence.
• Understanding of High Availability and Disaster Recovery architectures.
• Confirmed Agile/Scrum experience.
• Excellent command of French or Dutch at C2 level, basic knowledge of the second national language at A2 level, and fluent English at C1 level.
• Ability to understand the critical nature of real-time railway systems, communicate clearly with stakeholders, present effectively, work in a structured manner, and demonstrate ownership and long-term commitment.

Nice to have

• Scrum Master certification.

Culture & Benefits

• CDI full-time employment in a human-sized, collaborative engineering environment.
• Personalized employee support, continuous training, and skill development.
• Participation in innovative projects with a focus on commitment, respect, trust, listening, equality, well-being, and responsibility.
• Additional statutory leave days and a mobility package covering a car or public transport subscription.
• DKV health insurance, group insurance, meal vouchers, eco-vouchers, and an attractive salary package.