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Full-Stack Developer (Next.js + OpenAI + Supabase) – Stealth MVP (£1–1.5k Fixed Price) Project Overview We’re developing a private SaaS MVP for an internal, regulated-industry workflow tool. It involves secure text analysis, PDF/email output, and basic user management. We’re looking for a reliable Next.js developer (or small team) who can build cleanly and quickly, with NDA and milestone-based payments. Key Deliverables (MVP Scope) Milestone 1 – Core AI Endpoint (30%) /api/scan route using OpenAI GPT-4 (we provide prompt + example output). Returns structured JSON with flagged items. Simple web UI: paste text → view results. Milestone 2 – PDF + Email (40%) Generate one-page PDF of results. Email PDF via Postmark/SendGrid to specified address. Log sent status + timestamp (DB or Supabase). Milestone 3 – Save + Deploy (30%) Save results to Supabase (auth optional). Deploy to Vercel (staging + production). README handover (setup instructions, env vars). Tech Stack Frontend: Next.js + TailwindCSS Backend: Supabase (Auth + Postgres + Storage) AI: OpenAI GPT-4 Turbo Email: Postmark or Resend PDF: html2pdf / Puppeteer / pdf-lib Hosting: Vercel (EU region) Budget & Terms Fixed-price: £1,000–£1,500 total, split across 3 milestones above. Timeline: 3–5 weeks max. You’ll sign a short mutual NDA before receiving full product brief. Bonus for early delivery + clean, documented code. To Apply (3 short items) Links to 2–3 projects using Next.js + OpenAI or Stripe/Supabase. Confirmation you can start this week and sign an NDA. Rough estimate of time required for MVP scope above. About the Project You’ll work directly with a UK founder who has clear requirements, existing assets (UI references, prompt logic, JSON schema, branding), and quick feedback loops. This is a stealth-mode build — no public marketing, no external disclosure until after delivery.