Java and COBOL Developer for Test Software and Mainframe

Quick Facts

• Role: Java and COBOL Developer (Test Software & Mainframe)
• Context: Agile development in a regulation-compliant health insurance performance environment
• Work model: Hybrid; remote work possible (base location Hamburg or Dortmund)

Description

In this role you work in an agile team on future-oriented, regulation-compliant applications for health insurance benefits and connect modern decentralized software with a proven HOST (mainframe) architecture. You will support and maintain test software systems, design and optimize mainframe interfaces and data structures, and coordinate releases between Java systems and HOST databases. You also ensure compliance with regulatory requirements (especially DORA and VAIT) for data protection and data security and secure software quality through structured testing.

Responsibilities

• Provide technical and administrative support for test software systems Kolumbus DRG, ZABAS, and the CSV splitter
• Ensure smooth operations, updates, and maintenance of the applications
• Support maintenance, further development, and support of the KV performance service in the HOST environment
• Design, program, and optimize interfaces and data structures on the mainframe
• Plan and coordinate releases between decentralized Java systems and the HOST database landscape
• Ensure adherence to regulatory requirements (DORA and VAIT) related to data privacy and data security
• Secure software quality with structured testing processes

Requirements

• Completed degree in (business) informatics or comparable qualification (e.g., IT specialist) and solid work experience in software development
• Solid mainframe development knowledge with COBOL
• Experience with querying and populating DB2 HOST databases
• Strong Java backend programming skills; initial exposure to frontend technologies such as JavaScript or Angular is a plus
• Experience with modern DevOps structures and container platforms like Docker and Kubernetes is desirable (or strong interest in learning)
• Structured and organized working style and strong communication skills
• Fluent German language skills
• Agile experience with Scrum and strong quality/compliance awareness; first exposure to DORA and VAIT is an advantage

Benefits

• Supported personal and professional development via internal and external trainings
• Flexible working hours and a hybrid work model with remote work option
• Modern workplace with ergonomic equipment
• Employer-provided benefits (including capital-forming benefits), corporate health management, and employee discounts