Senior Full-Stack Developer

We are looking for an experienced Full-Stack Developer to join a high-impact EU-level digital transformation project. The ideal candidate is a senior engineer with strong expertise in distributed digital infrastructures, modern web development frameworks, and cloud-native architectures.Role DescriptionYou will be responsible for the full software development lifecycle- from designing scalable front-end architectures to building secure, efficient back-end systems and APIs.Main ResponsibilitiesDesigning and developing front-end architecture and user interfacesDeveloping and maintaining back-end applications and APIsCreating and managing servers and databasesImplementing security and data protection best practicesBuilding responsive, cross-platform applicationsWriting clean, maintainable, and functional codeLeading and supporting technical projects when requiredTechnical ExpertiseMinimum 10 years of hands-on experience with:Front-end: VueJS 3, VueX, JavaScript/TypeScript, HTML, CSSBack-end: Vert.x, Kotlin, Java (>17), Spring Boot (WebFlux), HibernateCollaboration Tools: JIRA, Confluence, Office 365, SharePointMinimum 6 years of experience with:Architecture & Integration: Microservices, API-driven Development, AS4Databases: MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearchContainerization & Orchestration: Docker, KubernetesSecurity & Quality Tools: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, MavenMinimum 5 years of experience with:Security: OpenID Connect, OAuth2, TLS, KeycloakDevOps & Cloud: CI/CD (GitLab), AWS (CodeBuild, Secret Manager, EKS, CloudFront), TerraformThis position is based in Brussels in hybrid mode (50% onsite).EU citizenship is required to obtain the necessary security clearance.If you’re interested in this opportunity, please apply directly via LinkedIn! Qualified candidates will be contacted for a quick discussion about the role and next steps.