Senior Java Developer

Our client, a key player in the railway infrastructure sector, is looking for a Senior Java Engineer to work on business-critical applications that consolidate infrastructure data and support real-time traffic planning and monitoring. You will design, develop, and maintain robust, scalable, and secure Java solutions within modern microservices-based architectures. Responsibilities Design and implement new Java features and services Maintain and evolve existing applications Translate functional requirements into technical solutions Investigate and resolve complex technical issues Integrate automated tests and contribute to CI/CD pipelines Ensure code quality (Clean Code, SOLID principles, security best practices) Participate in code reviews and mentor developers Required qualifications : Technical Environment Java 11+ (Java 21 exposure), Spring (Boot, Cloud, Security), Maven, JPA/Hibernate, REST & gRPC, SQL, Git/Jenkins, Kubernetes/OpenShift, Angular exposure, Agile/Scrum, DevOps.

10+ years of experience in Java development (expert level) Strong background in large-scale, business-critical systems Comfortable working in Agile environments Analytical, proactive, quality-driven, with mentoring capabilities Languages French or Dutch: C2 Other national language: B1 English: B2

Médiane Système * Brussel * Vast * Voltijds * 17 uren geleden About company : Médiane Benelux: Career Booster! Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense. What we offer: - IT consulting and strategy - Digital transformation and IoT solutions - Project management and process optimization As specialists in electronics, development, and embedded systems design, we operate from sensor to cloud. Why choose Médiane Benelux? - Human-sized company: Promotes teamwork and collaboration in a dynamic and stimulating environment - Sharp technical expertise and tailored solutions for each sector - Talent support: Personalized follow-up, continuous training, and skill development for our employees - Custom solutions tailored to the specific needs of each client - Culture of innovation: Participation in innovative and varied projects - Ecovadis Gold certification: Commitment to equality, well-being, and responsibility - Human values: Commitment, Respect, Trust, Listening Happy at Work and Happy Clients labels by Choose my Company: A fulfilling work environment and optimal client satisfaction Job Description