Senior Full-Stack Developer — AI SaaS Platform (End-to-End Build)

Senior Full-Stack Developer — AI SaaS Platform (End-to-End Build) I have a fully built React prototype of an AI-powered SaaS platform that needs to be turned into a production web application. Everything is designed and ready. Your job is to build and ship it. Full technical requirements document will be provided after NDA. --- WHAT YOU WILL BUILD - Next.js 14 app migrated from existing React prototype - Supabase backend — auth, database, storage, RLS - Stripe subscription payments — 3 tiers with webhook handling - Two third-party API integrations (details in requirements doc) - Chrome Extension — Manifest V3, auto-fill, Chrome Web Store submission - Anthropic Claude AI — all calls through secure serverless routes - Transactional email system — Resend with branded templates - Full deployment on Vercel with CI/CD --- TECH STACK Next.js 14 · Supabase · Stripe · Claude API · Chrome MV3 · Resend · Vercel --- WHO I NEED - 3+ years Next.js and React experience - Has shipped at least one live SaaS product - Has built a Chrome extension before — required, not optional - Owns problems independently --- TO APPLY —please answer all four : 1. Link to a live SaaS or web app you personally built 2. Chrome extension experience — yes or no, and what it did 3. Your milestone plan and timeline for this project 4. Answer this: What is Supabase Row-Level Security and why does it matter in a multi-user SaaS? --- NDA required before any files are shared. All code and accounts are owned by me from day one.