Build a B2B dental marketplace from scratch connecting dental clinics with laboratories. Dentists upload cases (3D scans, photos), labs produce prosthetics (crowns, bridges, implants). Prototype (visual reference only): https://dentalsource.vercel.app/login Tech: Next.js 14, React, TypeScript, PostgreSQL (Supabase), Stripe, Tailwind CSS Key Features: - Role-based auth (Admin, Dentist, Supplier) - Organization & team management - Order wizard with 3D file upload (STL/PLY) - Production tracking for labs - Files from camera webhook integration - DMSM PDF generation (French regulatory) - Shipping label generation (China→France→Client) - Credit system + Stripe payments - Dispute management - Real-time notifications 12 milestones, ~23 weeks total Must have: Next.js, PostgreSQL, Stripe, PDF generation, REST API integration experience. Full specification document available. Fixed price per milestone preferred.