AI SaaS UI/UX Integration Overhaul

I have a ai saas site need to change the landing page and user ui and ux with all backend connection and triggeer with 0 bugs and issue all should be connected with admin so can change all the ui is already... (Budget: ₹12500 - ₹37500 INR, Jobs: AI App Development, AI Integration, Graphic Design, SaaS Development, UI / User Interface, User Interface / IA, UX / User Experience, Website Design)