Software Developer Mainframe & Java
Original title: Softwareentwickler (m/
This job is at Signal Iduna. You apply to them, not to GoAusbildung.
Start Date
On request
Sector
IT
Salary
Competitive salary
Listing data as of November 4, 2026
About this Apprenticeship
For the chapter "Mainframe Development KVVD", SIGNAL IDUNA is looking for an experienced expert who understands complex legacy systems and moves them to a modern Java architecture. You maintain the existing mainframe world and at the same time drive the KVVD modernization with a lot of creative freedom. The usual place of work is Hamburg or Dortmund.
What You'll Learn
- Get to grips with the complex existing mainframe system, ensure smooth operation with the team and carry out maintenance at the highest level
- Play a key role in the design and integration of the transformation project (Build, Buy, Reengineer)
- Accompany the move from the legacy world to the current technology stack and connect mainframe logic with modern Java applications
- Be developer, advisor and pathfinder for the whole team during the system transformation
Requirements
- Solid professional experience (senior level) in software development
- Confident with the mainframe, including z/OS, Cobol, DB2 and JCL
- Mastery of full-stack Java, especially Spring Boot, Angular, Kafka, MQ and REST APIs
- Experience in health insurance, ideally with deep understanding of (existing-policy) administration systems
- Routine working with Scrum or Kanban; ideally first experience with Google Cloud and Google AI
- Strong teamwork, communication skills and analytical thinking
What Signal Iduna offers
- Collective agreement with a 38-hour week
- Open, friendly working atmosphere in a motivated team
- 30 days of vacation per year
- Shape change every day
- Modern rooms and spaces that support creative work
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