QA / Test Engineer – eInvoicing Compliance

We are looking for a QA/Test Engineer to join a project implementing an eInvoicing solution for the German and French markets. The person in this role will be responsible for comprehensive end-to-end testing of electronic invoicing processes, with a strong focus on compliance requirements and integration with an external eInvoicing provider.

• Experience in end-to-end (E2E) and system testing
• Understanding of financial / invoicing processes (eInvoicing is a plus)
• Experience working with system integrations (ERP, API, middleware)
• Knowledge of testing standards (e.g., ISTQB)
• Ability to design test cases and report defects
• Experience in testing negative scenarios and edge cases
• Good organizational and communication skills
• Very good command of English, both written and spoken (C1)

Nice to have:

• Knowledge of standards: EN16931, XRechnung, ZUGFeRD
• Experience with compliance / tax regulations
• Experience in international projects
• Knowledge of test environments and their configuration

• Design and execution of end-to-end tests for invoicing processes: (ERP → eInvoicing provider → recipient → status feedback)
• Testing of: positive and negative scenarios, error and exception cases
• Validation of compliance with requirements
• Verification of archiving and audit trail (traceability)
• Creation of test cases and test documentation
• Preparation of test evidence and defect reports
• Collaboration with ERP, integration teams, and external providers
• Preparation of test summary reports supporting the go-live decision