Frontend Development (MVP) for Creator Platform to create microsites

We are looking for an experienced Frontend Developer or Agency to build the user interface for a new SaaS platform. The platform enables creators to build their own microsites, publish content, manage newsletters, and monetize via Stripe. Core Features & UI Requirements: #1 Public Landing Page: Development of a high-converting, responsive, and SEO-optimized main landing page for the SaaS platform. #2 User Authentication: Registration, login, and password recovery flows. #3 Admin Panel / Dashboard: The central hub for authenticated users to manage their entire business. #4 Microsite Builder (Design): An intuitive interface allowing users to visually customize and design their microsites (themes, colors, layout structures). #5 Content Management: UI for creating, editing, and publishing Posts, as well as managing Categories. #6 Monetization & Paywalls: Integration of Stripe elements (e.g., checkout flows) and UI configuration for payment barriers/gated content. #7 Newsletter Integration: Forms and dashboard settings for users to connect and manage their newsletter audience. #8 Analytics Dashboard: Visual representation of user data, traffic, and revenue (charts, data grids) integrated with third-party analytics tools. Technical Expectations: #1 Modern, component-based framework (e.g., Vue/Nuxt or React/Next.js). #2 Focus on great UX/UI, responsive design, and fast loading times. #3 Clean API integration with a separate REST backend. Application: Please provide a rough cost estimate, timeline, and your recommended tech stack based on these required features. This is for the FRONTEND only!