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Solution Architect to take ownership of two related workstreams within an initial 3-month engagement. Both workstreams require retrospective documentation of live systems and forward-looking design work. You must be comfortable challenging existing approaches constructively while building consensus among stakeholders across business units and vendors. Workstream 1: eInvoicing Solution Architecture This is a regulatory eInvoicing project that is already live, but the architecture was not really completed. There are no High-Level Design (HLD) or Low-Level Design (LLD) documentation. The system is about to be rolled out across approximately 30 European entities, but currently, only 20% of Europe is transacting through the platform. There is a concern that the system could fail at scale, particularly as international variations in regulatory requirements have not been fully considered. Deliverables High-Level Design (HLD) document Low-Level Design (LLD) document...