React Developer for Website Optimization

Seeking a React developer to finalize and optimize an existing website, ensuring visual perfection and proper functionality. Role-based access, license verification, payment flows. Full NDA required. Tasks and Deliverables (in phases, this is a large platform) Phase 1 (Foundation): GitHub Private organization set up, Node.js+Express backend initialized, deployed to Railway, ProstgreSQL database via Supabase (full schema) with initial schema Role A and Role B separated, value_items table, Role-B_categories table, Authentication system (email, password registration and login, role– based access control (Role A vs Role B), JWT session management, protected routes), sections, Environment Variables (stripe keys, anthropic key, sendgrid, twilio, database url-all in Railway’s env configuration (never in code), Core API routes stubbed and returning test responses /auth, /RoleA, /RoleB, /XYZ, /admin, JWT authentication middleware signup, login, token validation, role separation (RoleA vs RoleB vs admin), Admin panel backend with protected routes for RoleB approval, card charge trigger, user management, Stripe backend integration (subscription creation, webhook endpoin, RoleB setup intent, charge trigger. Phase 2 (Payments) - will drop here once Phase 1 is done. Phase 3 (Core Role-A Sections of Platform) Phase 4 (Live Data Integrations) Phase 5 (Remaining Role-A Sections of Platform) Phase 6 (Role-B Sections) Phase 7 (Polish QA, Launch Prep) Required Experience - Required: comfortable with React18, TypeScript, Node.js/Express, PostgreSQL, Stripe API (subscriptions, setup intents, webhooks), third-party API integration (Anthropic, NURSYS, Numbeo or BLS, SendGrid, Twilio), and Vercel/Railway deployment. A live portfolio of deployed full stack applications with real API integrations is required to be considered.