Full-Stack Next.js Engineer (React + Supabase + Stripe) for AI SaaS Platform

We're building an AI-powered SaaS application and are looking for an experienced Full-Stack Next.js developer to help us implement the first production-ready version. The UI designs and product requirements are largely defined. We're looking for someone who can own the technical implementation, recommend improvements where appropriate, and deliver clean, maintainable code. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 Next.js (App Router) React TypeScript Tailwind CSS Supabase PostgreSQL Stripe OpenAI API Vercel 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀 Build responsive pages from Figma designs Implement authentication and user onboarding Integrate Supabase database and APIs Set up Stripe subscription billing Build authenticated dashboards Integrate AI features using the OpenAI API Ensure responsive design and production-quality performance Deploy and verify the application on Vercel 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 Strong experience with Next.js and React Experience building production SaaS applications TypeScript proficiency Supabase authentication and database experience Stripe subscriptions and webhook integration Clean, maintainable code Strong communication throughout the project 𝗡𝗶𝗰𝗲 𝘁𝗼 𝗛𝗮𝘃𝗲 Experience with AI-powered SaaS products Multi-tenant SaaS architecture Row-Level Security (Supabase) Experience optimizing performance and Core Web Vitals 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗗𝗲𝘁𝗮𝗶𝗹𝘀 Fixed-price project Budget: $2,000 (initial scope) Estimated duration: 1–3 months Potential for additional work after successful delivery 𝗪𝗵𝗲𝗻 𝗔𝗽𝗽𝗹𝘆𝗶𝗻𝗴 Please include: 1. Links to 2–3 SaaS products you've built. 2. Your experience with Next.js, Supabase, and Stripe. 3. A brief description of the most technically challenging feature you've implemented. 4. Your availability over the next month. We're looking for someone who values quality, clear communication, and building software that's ready for real users—not just a demo.