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 satisfactionJob DescriptionOur 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.ResponsibilitiesDesign and implement new Java features and servicesMaintain and evolve existing applicationsTranslate functional requirements into technical solutionsInvestigate and resolve complex technical issuesIntegrate automated tests and contribute to CI/CD pipelinesEnsure code quality (Clean Code, SOLID principles, security best practices)Participate in code reviews and mentor developersProfile / RequirementsTechnical EnvironmentJava 11+ (Java 21 exposure), Spring (Boot, Cloud, Security), Maven, JPA/Hibernate, REST & gRPC, SQL, Git/Jenkins, Kubernetes/OpenShift, Angular exposure, Agile/Scrum, DevOps.Profile10+ years of experience in Java development (expert level)Strong background in large-scale, business-critical systemsComfortable working in Agile environmentsAnalytical, proactive, quality-driven, with mentoring capabilitiesLanguagesFrench or Dutch: C2Other national language: B1English: B2BenefitsAttractive salary package, additional statutory leave days, mobility package (car or public transport subscription), DKV health insurance, group insurance, meal vouchers, eco-vouchers, etc