Naisaa is an AI-powered Naisaa economy platform that helps industries identify, classify, and reuse surplus materials through a marketplace, AI intelligence engine, and Digital Product Passports. We need a skilled full-stack developer (or team) to build a production-ready MVP in 15 weeks based on a clear 12-milestone roadmap. Core Features to Build • Real-time materials marketplace (listings, profiles, messaging) • AI intelligence engine (Naisaa scoring, resale value, carbon analytics) • “Ask Naisaa” AI assistant with RAG + auto-classification • Digital Product Passport (JSON/PDF + QR + chain-of-custody) • Search engine with filters, geo-search, and buyer matching • Dashboards, ESG metrics, admin tools • RFQ + negotiation workflow (non-payment) • Stripe SaaS billing (subscriptions, credits, listing fees) • Integrations layer (ERP/EPA/ESG prep) • Full QA, security, and launch support Tech Stack Frontend: Next.js 14, Tailwind Backend: Node.js, PostgreSQL, Prisma, ElasticSearch, Stripe Billing AI: Python (FastAPI), RAG, embeddings (pgvector) Storage: S3/Supabase for documents Other: Climatiq API for carbon, PDF generation, QR codes Expectations • Deliver all 12 milestones over 15 weeks • Build modular, scalable architecture • Provide clean documentation • Support deployment (Dev, Staging, Production) • Collaborate on weekly check-ins