At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. It doesn't matter when or where you work. It's about doing meaningful work that advances society. For this reason, we will do everything possible to ensure that you have all the development opportunities by providing a support network, excellent technology, a new work environment, and the freedom to work autonomously. T-Systems is a team of around 28,000 employees worldwide, making us one of the leading global providers of end-to-end integrated solutions. We develop hybrid cloud solutions, artificial intelligence, and drive the digital transformation of companies, industries, the public sector, and ultimately, society as a whole. At T-Systems, we are looking for a highly skilled Senior SAP Developer to join our team and support a major migration project. You will play a key role in analyzing, designing, migrating, and testing SAP interfaces, ensuring smooth transition from SAP PI/PO to the SAP Integration Suite. Execute the Figaf tool for system and interface analysis. Phase: Realize & Test Design SAP interfaces and prepare technical specifications. Migrate interfaces from SAP PI/PO to the SAP Integration Suite (Figaf tool–based and/or manual). Perform Unit Testing and Integration Testing, support User Acceptance Testing (UAT), and resolve issues. Proven expertise in SAP PI/PO and SAP CPI (Integration Suite). Strong technical and functional knowledge in SAP interface design and testing. Fluent in English (written and spoken); German is a strong plus. Hybrid work model (telecommuting/on-site). ~ Continuous training: Certification preparation, access to Coursera, weekly English and German classes... ~ Flexible compensation plan: medical insurance, restaurant tickets, day care, transportation allowances... ~ Social fund. ~ Please send CV in English.