Senior Java Developer

We are seeking an experienced Senior Java Developer to join a team responsible for designing, developing, and maintaining critical applications supporting digital transformation and operational excellence in the railway ICT sector. The consultant will contribute to high-impact projects within a dynamic ICT environment, working in an Agile/Scrum team of software engineers and analysts. All developments must adhere to the highest standards of security, quality, and reliability. The ideal candidate will demonstrate: Understanding of the sector's IT landscape, strategic challenges, and operational environment. Ability to integrate seamlessly into teams while embodying core professional values: benevolence, courage, positivity, and reliability. Professional excellence and behavioral fit, including clear communication, strong presentation skills, respect for management, and responsible commitment for the project duration. Key Responsibilities Design, develop, and maintain Java applications. Ensure high-quality code through rigorous testing and documentation. Apply Test-Driven Development (TDD) principles to maintain software reliability. Participate in Agile/Scrum ceremonies and contribute to continuous improvement initiatives. Implement CI/CD pipelines and DevOps practices for enhanced automation and deployment. Troubleshoot and resolve complex bugs and performance issues. Maintain a secure, maintainable, and well-structured codebase compliant with internal standards. Profil : Required Technical Skills Java (v8 or higher) – minimum 10 years' experience Java development & bug fixing – minimum 15 years' experience Spring Framework – minimum 15 years' experience Test-Driven Development (JUnit, Mockito, etc.) – minimum 10 years' experience CI/CD tools (Git, Jenkins, Artifactory) – minimum 10 years' experience DevOps principles – minimum 10 years' experience Hibernate & JPA – minimum 15 years' experience SQL databases (PostgreSQL, MySQL, Oracle) – minimum 15 years' experience Languages Fluent in French or Dutch – level C1 Good knowledge of the second national language – level B1 Soft Skills Strong team spirit and excellent communication skills Proactive, solution-oriented mindset Autonomy, precision, and reliability in execution Ability to document and comply with quality and security norms (ISO 9001, ISO 27001, EN 50.128) Continuous learning attitude and adaptability to new technologies