Senior Application Solution Designer (m/w/d)

We are looking for a Senior Application Solution Designer with deep expertise in Serrala solutions within SAP S/4HANA environments. In this role, you will ensure IT stability through solution design across multiple applications, translating business requirements into scalable and integrated solutions aligned with architecture guidelines. Acting as the Serrala Subject Matter Expert, you will support banking and reconciliation processes, guide solution decisions across complex system landscapes, and collaborate closely with both business and IT stakeholders within a large-scale international SAP transformation programme.

Responsibilities

• Ensure IT stability through solution design aligned with architecture guidelines and technical roadmaps.
• Design and review solutions across multiple systems and applications.
• Translate business requirements and user stories into detailed solution and integration designs.
• Analyse end-to-end reconciliation processes involving connected systems, SAP In-House Banking (IHB) and Serrala Alevate.
• Troubleshoot posting, matching and clearing exceptions.
• Configure and support integrations with SAP modules, including IS-U, FI-CA and SAP FI.
• Design, maintain and optimise Serrala AutoBank matching and posting rules.
• Assess functional impacts across applications, interfaces, data models, sequence flows and non-functional requirements.
• Maintain accurate and up-to-date solution design documentation.
• Propose technologies, design patterns and technical improvements in collaboration with development teams.
• Identify solution design improvements and refactoring opportunities and align priorities with Product Owners and stakeholders.
• Provide expert guidance to implementation and support teams on Serrala-related topics.
• Support defect resolution activities and ensure alignment with agreed solution designs.
• Evaluate incoming change requests and coordinate alignment between business and IT stakeholders.
• Contribute to the ongoing development of the application and solution landscape.