Backend Developer (Java + Cobol) in Germany

Andersen is hiring a Backend Developer (Java + Cobol) in Germany for a project modernizing legacy systems and building secure enterprise solutions in high-availability environments. 

The customer is a large international technology provider delivering end-to-end digital solutions for enterprise-level organizations. The company focuses on IT consulting, cloud services, cybersecurity, and managed operations, supporting clients across various industries with complex digital transformation needs. With decades of experience, the customer emphasizes innovation, reliability, and high security standards. 

The project is focused on a long-term modernization initiative aimed at replacing legacy backend systems with Java 21. It includes developing and maintaining secure enterprise solutions within high-availability environments using technologies such as IBM WebSphere, OpenShift, and z/OS. 

Responsibilities: 

• Transforming legacy backend business logic from COBOL to modern Java technologies within a dedicated Scrum environment. 

• Conducting independent analysis and creating concepts for software development tasks of basic to medium complexity. 

• Ensuring code quality through Code Reviews, Junit testing, and performance optimization. 

• Executing and monitoring background processes and batch jobs using the APX job control system. 

• Collaborating with cross-functional teams to deploy, test, and maintain applications in IBM Host z/OS and RHEL environments. 

• Managing requirements, technical documentation, and knowledge transfer within the Atlassian ecosystem. 

Must-have: 

• Hands-on experience in Java 21 (Java EE) development, with an understanding of enterprise architecture, runtime environments, and core security standards for 2+ years. 

• Practical experience with IBM WebSphere (AS 9, Liberty) and containerized environments like OpenShift or Kubernetes. 

• Strong knowledge of relational databases such as DB2, Oracle 23, and PostgreSQL. 

• Ability to read and debug COBOL code to facilitate successful business logic migration. 

• Familiarity with Enterprise tools: IntelliJ IDEA, Eclipse (Jade), IBM Rational Application Developer, and Jira/Confluence. 

• Knowledge of CI/CD pipelines and version control systems like Git, Maven, or Jenkins. 

• Level of English – from Intermediate+ and above. 

• Level of German – from Intermediate+ and above. 
   

 Reasons why this job would be interesting to you: 

• Andersen cooperates with such companies as Siemens, Johnson & Johnson, AstraZeneca, BNP Paribas, Allianz, Ryanair, TUI, Verivox, Media Markt, etc.. 

• For the past four years, our company has been growing annually by 60–100%, and we constantly involve top-notch specialists in our team. 

• Andersen has mentoring and adaptation systems for new employees, and transparent performance review and assessment systems will allow you to determine your development path and plan your growth. 

• The most important thing that we value in our employees is a commitment to continuous learning. The company supports them in this and gives them access to the best educational platforms, seminars, and practices. In addition, for over 19 years, Andersen has assembled a huge knowledge base and established a robust resource management institution. 

• We have been strengthening our expertise since 2007. During this time, we have formed excellent teams with streamlined processes, where you can learn something new from your colleagues every day and enjoy your work. 

• We are a cool young team of like-minded people communicating informally. 

• You'll have a stable and competitive salary and an extensive benefits package. 

• At Andersen, we have many different ways to grow. You can improve as a specialist or a manager, and all your activities will be decently rewarded. 

Join us! 

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