Senior Full-Stack Developer (Luxembourg)

8+ years of professional Java development (Java 8 and above) Degree in Computer Science or related field Strong background in designing, developing, and integrating OpenAPI-compliant REST APIs Frontend development using Angular, modern HTML/CSS, and responsive, accessible design principles Hands-on experience with Oracle and PostgreSQL databases, including SQL, PL/SQL, schema design, and data migration Solid understanding of event-driven and asynchronous architectures using message brokers such as Kafka Ability to develop and operate applications on cloud platforms (e.g., AWS, Azure, GCP) Familiarity with monitoring and logging solutions (e.g., ELK stack) Proven ability to build and operate Spring Boot applications deployed on Apache Tomcat Secure application development, including secrets management (e.g., HashiCorp Vault) and alignment with recognized security standards Practical knowledge of containerizing applications with Docker and deploying them in cloud-agnostic or Kubernetes-based environments Working knowledge of CI/CD pipelines, automated testing, and Git-based source control workflows Familiarity with GraphQL and other non-REST integration patterns Knowledge of frontend and backend testing tools (e.g., JUnit, Postman, Mocha, Cypress) Good technical documentation skills, including code, configuration, and developer-friendly API documentation Experience working in Agile/Scrum teams using standard tools such as Jira, Confluence, SharePoint, and Microsoft Teams Excellent English EU citizenship (required by EU Institutions)