Responsibilities Engage with business stakeholders to gather, clarify, and prioritise requirements for the e Invoicing product. Translate business needs into technical architecture and detailed design documents aligned with SAP, EAI, Java, Azure and SCP standards. Design and lead when required in terms of the implementation of integrations across a landscape with 120+ interfaces and partner systems, ensuring robust message formats (IDoc, XML, JSON). Perform hands‑on Java development for integration components and support deployment activities to production. Map IDocs to XML/JSON and design interface transformations required for banking and partner communications. Test automation for integration, end‑to‑end, and regression testing to ensure reliable releases in future landscape. Assess current EAI landscape and lead migration planning, evaluating replacement technologies (Kafka, Javabased, Azure-native) and recommending the most feasible solution. Implement end‑to‑end monitoring, obse...