Senior technical mentor - developer experience & technical excellenceOur client in Brussel is seeking a Senior Technical Mentor to elevate Developer Experience and Technical Excellence across multiple agile product development teams. You'll be Embedded in a dynamic environment organized according to Large Scale Scrum (Less), working hands-on with teams sharing a unified codebase.Your missionAs an expert technical mentor, you will:Enhance CI/CD pipelines: Collaborate with teams to improve automated build, test, and deployment processes.Expand automated testing: Drive adoption of E2E, Contract-Based, Component, Narrow Integration & Unit testing.Coach TDD/ATDD practices: Promote test-first development and incremental delivery based on user feedback.Guide GIT practices: Transition teams from GitFlow to Trunk-Based Development.Mentor on architecture: Share expertise in Emergent Design, Clean Architecture, Hexagonal Architectures, and MicroServices.Promote Clean Code principles: Apply SOLID, DRY, KISS, SOC, YAGNI in real-world scenarios.Lead by doing: Provide mentorship through actual work and targeted learning exercises (Katas).What you bring10+ years in software design & delivery (DDD, TDD, TBD, testing, GitLab)5+ years in Java development (Java 21), Clean Architecture, Clean CodeExperience with Mob/Ensemble programming, multi-team collaboration, and fast feedback cyclesPractical experience in Less environmentsProven ability to set up executable documentation via test suitesFluent in Dutch and French (C1 level)Your skillsTech stack:Frontend: Angular, PrimeNG, CypressBackend: Java (Java 21), Spring Boot, HibernateTesting: Jest, JUnitInfrastructure: Oracle, Kafka, RabbitMQ, OpenShift, KubernetesDevOps: GitLab, JenkinsSoft skills:Strategic thinker with a vision for technical excellenceStrong coaching and mentoring capabilitiesResilient under pressure and proactive in taking initiativePassionate about growing others and fostering collaboration