Java Backend Development | NOOTS Integration | Karlsruhe / Remote

Responsibilities

• Conception and development of technical interfaces to the NOOTS infrastructure
• Implementation and further development of backend components
• Integration of business applications and online services
• Development and optimization of web services
• Implementation of data models and data structures
• Creation of automated tests
• Participation in agile development teams
• Documentation in Jira and Confluence

Requirements

• Several years of experience in Java / Jakarta EE
• Very good knowledge of JPA / Hibernate
• Experience with JSF / PrimeFaces
• Experience in development and design of web services
• Backend development in an enterprise environment

Nice to have

Framework Conditions

• Angular
• Docker / Kubernetes
• Microservice architectures
• OpenAPI / Swagger
• Apache Camel
• Quarkus
• Linux
• CI/CD
• Domain Driven Design
• PostgreSQL or CouchDB
• Automated testing
• Jira / Confluence
• Experience in the public sector or development banks
• Start: 26.10.2026
• End: 31.01.2027
• Scope: 30 PT
• Location: Karlsruhe / predominantly Remote
• Utilization: according to effort
• Language: German

Project details

For a public digitalization project, Java backend development is needed for the technical integration of a parental allowance solution with the national One-Only-Technical-System (NOOTS).

The focus is on the conception and implementation of technical interfaces, integration into existing backend systems, and the implementation of necessary data structures, taking regulatory requirements into account.

• Start: 2026-11
• Remote: hybrid
• Location: Karlsruhe, Deutschland, DE
• Languages: German