AISL-266 Senior Backend Engineer (x2) - Java & Spring Boot

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  • Luxemburg
  • Unbefristet
  • Vollzeit
  • 1 Monat her
About the RoleWe are looking for two Senior Backend Engineers to join a high-level technical team and contribute to the development of robust, scalable, and secure backend services. You will work with modern Java technologies, cloud-ready architectures, and containerized environments to deliver enterprise-grade applications.In this role, you will have a direct impact on the design, performance and reliability of mission-critical systems, working closely with technical leads, analysts, and testers in a collaborative Agile environment.Your ResponsibilitiesBackend Development
  • Design, develop, maintain and test web portals, backend applications, shared components and libraries.
  • Build high-quality features using Java (17+), Spring Framework 6.x, Spring Boot 3.x, and JPA/Hibernate.
  • Implement REST/SOAP services and event-driven communication (Kafka).
Collaboration & Requirements
  • Work closely with team leads, tech leads, business analysts, developers and QA engineers.
  • Ensure requirements are clearly understood, consistent and aligned across the team.
Deployment & Cloud Operations
  • Deploy applications both on-premise and in cloud-based containerized environments.
  • Monitor services, troubleshoot issues and optimize performance.
Mandatory Requirements
  • University degree in Computer Science, Engineering or related field.
  • 10+ years of professional experience in backend development.
  • Proven expertise with:
  • Java 17+ (21 is a strong plus)
  • Spring Framework 6.x+ & Spring Boot 3.x+
  • JPA / Hibernate
  • REST / SOAP APIs
  • Kafka event streaming
  • JUnit / TestNG, Mockito (or similar)
  • DevOps tools: Maven, Git, CI/CD (preferably Azure DevOps), Docker
  • Cloud (preferably Azure)
  • OIDC / OAuth authentication & authorization
Strong Plus Skills
  • Integration & microservices experience (Apache Camel preferred; Spring Integration also valued).
  • Full-stack skills with JavaScript frameworks (React preferred).
  • Experience with workflow engines (e.g., Temporal).
What We're Looking For
  • Engineers who master modern Java & Spring Boot practices.
  • Professionals who enjoy solving complex technical challenges.
  • Team players able to collaborate smoothly across multidisciplinary teams.
  • Profiles who can deliver reliable, testable, production-ready software.

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