SaaS Product Finishing Expert

My SaaS platform is about 80 % complete and live on both a marketing site and the core application. What I need now is a sharp, senior-level hand to bring the product over the finish line. Top priority The immediate focus is the end-to-end flow, specifically the user dashboard... (Budget: $1500 - $3000 AUD, Jobs: Agile Development, Base44, Frontend Development, Project Management, SaaS, Web Application, Web Design, Web Development)