Senior Full-Stack (React / Next.js / Supabase / AI-Assisted Development) – Build a Document Intake

, I’m building a real-world SaaS platform called HSVM (Ho So Viet My). This is not a marketing website. It is a document intake and case management system for customers handling immigration, consular, passport, apostille, and legal document services between the United States and Vietnam. The customer experience is already fully designed. I have: * Complete customer workflow * UX/UI wireframes * Page designs * Business rules * Service database * Content * Internal workflow * Trust philosophy * MVP roadmap Approximately 13 design documents have already been prepared. I need an experienced engineer who can turn this system into a production-ready SaaS. ⸻ Tech stack (preferred) * Next.js * React * TypeScript * Tailwind CSS * Supabase * PostgreSQL * AI-assisted development (Cursor, Claude Code, Lovable, etc.) ⸻ Core features * Homepage * Service directory * Dynamic service pages * Secure document upload * Public case tracking * Customer dashboard * Admin dashboard * Authentication * Email notifications * Search * File management * Responsive design ⸻ Important I value: * clean architecture * simple UX * scalable code * maintainability * speed I do not want unnecessary complexity. ⸻ Before applying Please answer: 1. How would you architect this project? 2. Fixed-price estimate? 3. Timeline? 4. What would you build first? 5. What would you postpone until Version 2? 6. Have you built similar SaaS products? ⸻ I will provide * Full specifications * Wireframes * Design system * Workflow documents * Business logic * Ongoing feedback ⸻ Long-term opportunity If we work well together, this will become a long-term project with future AI features and automation.