Backend Software Developer – Java Application Containerization

ABOUT UTIMACO

Utimaco is a worldwide supplier of professional cyber-security solutions and is based in Aachen, Germany. Since 1983, Utimaco develops hardware security modules and compliance solutions for telecommunication provider regulations. Utimaco is a world-market leader in both segments. Customers and parters of Utimaco in all parts of the world trust the company's long-term, proven reliability and investments protection, as well as its many certified IT security standards. Utimaco stands for recognizes product quality, user-friendly software, excellent support and trusted high security-made in Germany. 

To further strengthen our Corporate Unit we are looking for a:   Backend Software Developer – Java Application Containerization

Your tasks:

  • Analyze an existing monolithic Java/Tomcat application and define the migration strategy toward containerized deployment
  • Refactor code, configurations, and dependencies to make the application container-ready and cloud-native compliant (stateless design, environment variables, configuration management)
  • Optimize the application for scalability and resilience in OpenShift or Kubernetes environments
  • Design and implement inter-process communication mechanisms (including socket-based integrations) in the new architecture
  • Collaborate with DevOps engineers to integrate application containers with CI/CD pipelines and deployment automation
  • Ensure logging, monitoring, and security best practices are embedded in the migrated application

Your profile:

  • 5+ years of experience in backend development using Java
  • Strong understanding of Tomcat and traditional Java EE or Spring-based architectures
  • Proven experience migrating applications to containers (Docker, Kubernetes, or OpenShift), as well as Linux, MySQL and troubleshooting distributed applications
  • Deep knowledge of networking concepts and experience working with sockets and low-level communication
  • Familiarity with microservices principles, REST APIs, and inter-service communication
  • Knowledge in Java build tool (Maven/Gradle)

    We offer you:

    • An open and friendly corporate culture characterized by constructive and collaborative interaction
    • We provide you with support for your future plans with a company pension scheme (depending on country-specific circumstances)
    • Early risers and night owls - thanks to a flexible working model you can organise your working day yourself
    • We also support you privately – benefit from special payments or additional vacation days on anniversaries or other special occasions
    • Utimaco is growing and living diversity! Our global team includes colleagues from 42 nationalities and 45 different languages spoken

    DO YOU FEEL ADDRESSED?

    Then we look forward to receiving your detailed application stating your earliest possible starting date and your salary expectations.