(1) Vendor needs to provide world web application UX/UI design, development, testing, deployment, hosting, maintenance service. • Provide a full–cycle web solution for the outcomes of Phase 0 to refine existing prototypes and designs, then moving to development and testing, then on to deployment, hosting, support, and maintenance. • Multilingual support system – Architecture for all six UN languages; EN/FR/ES fully implemented at launch; AI–powered machine translation for user–generated content • Unified database and search – Single searchable database consolidating affiliates, members, practices, resources, and updates with two–level filtering • Streamlined application and authentication – SSO integration, MFA, pre–application onboarding, progress saving, team collaboration • Content management system – Modern CMS with role–based access and automated workflows • Revised navigation and information architecture – Flatter hierarchy (3–4 levels), improved navigation, responsive design • Refined high–fidelity UI/UX designs and prototypes based on Phase 0 wireframes