Java Software Developer (m/w/d) — Hamburg — 60% Homeoffice — up to €100,000
Germany's largest statutory health insurer is hiring ten Java developers in Hamburg on an eighteen-month AUG engagement.
The work is modernising the platform that more than eleven million members' insurance runs through — migrating a legacy Swing interface to React, without breaking a system that handles millions of transactions a day.
The package
- Up to €100,000 gross per annum, all-in, depending on how closely you match the profile
- 18 months, AUG
- 40 hours a week, Monday to Friday
- Around 60% home office, roughly two days a week on site in Hamburg
- ASAP
What you will do
- Migrate legacy Swing dialogs to React components
- Work with UI and UX designers and implement dialog migration specifications
- Write JUnit tests for every migrated dialog and run department acceptance testing
- Extend and enhance migrated legacy dialogs
- Full-stack Java development across the wider platform
- Code analysis and reverse engineering of legacy modules, and technical debt reduction
- Work in agile teams using Scrum or Kanban and Jira
- AI-assisted development using GitHub Copilot
What you need
- A completed degree in Computer Science, or a comparable qualification such as Fachinformatiker Anwendungsentwicklung
- At least five years of Java development on large projects with five or more developers
- Demonstrable experience with legacy code — analysis, reverse engineering, integrating inherited codebases
- Experience creating or modernising user interfaces, ideally Swing to React or comparable
- Agile delivery with Scrum or Kanban, and Jira
- German at C1, able to lead technical discussions
- The right to work in Germany
The stack: JavaEE, Java 21, JSF, Swing, React, JDBC and Oracle, Git, GitHub, GitHub Actions, Gradle, Maven, JUnit.
If you have worked with Swing you are in a small group. Say so at the top of your CV.