ROLE OVERVIEW

We are seeking a Senior Software Engineer to implement and maintain backend and frontend services supporting the Contract & Billing domain of a federated data space middleware. The engineer will work closely with the Software Architect to evolve existing services, implement new capabilities, and ensure operational stability of business-critical workflows.

Profile

• Autonomous senior engineer
• Pragmatic problem solver
• Strong ownership mindset

KNOWLEDGE AND SKILLS

Following skills and knowledge are required for the performance of the above listed tasks:

• Develop and maintain backend and frontend services supporting contract and billing workflows
• Implement billing logic, transaction handling, and integrations
• Maintain API interfaces and service contracts
• Ensure high test coverage and system reliability
• Support integration with data space connectors and external services
• Troubleshoot production issues and improve observability

Required Skills

• Core Engineering
• 8+ years backend software development experience
• Strong proficiency in Java (SpringBoot preferred)
• Experience with a frontend framework (Angular preferred)
• Experience with REST APIs and service integration
• Experience with automated testing (unit & integration)
• Domain Expertise (Required)
• Understanding of data space concepts
• Knowledge of Eclipse Dataspace Connector (EDC)
• Experience integrating eSignature solutions
• Familiarity with eInvoicing processes or platforms
• Experience with Scrum/Agile methodologies
• Experience with Atlassian suite (Jira, Confluence)