Analysis of contracts, specifications, customer specifications, customer requirements, and processes with regard to project and product requirements, Consolidation, clarification, and plausibility check of requirements, including through discussions with customers, sales, clients, and other stakeholders, Definition of functional and non-functional requirements for processes, architecture, development, and operation of corresponding IT services, Structuring and prioritization of requirements, considering agile methods and processes, Development of high-level architectures, use cases, and interaction diagrams together with relevant interfaces, Quality assurance review of requirements according to specified quality criteria, Cross-team coordination with development, software testing, architecture, system management, and other stakeholders