Full-Stack Developer for Website and Mobile App

I need a full-stack developer to maintain, fix, and improve the GSA website built with Next.js, Supabase, Stripe, and hosted on Vercel. The work includes ensuring memberships, payments, check-ins, and all account types work reliably and securely as the network grows. You will also turn the website into a mobile app for iPhone and Android using FlutterFlow, reuse the same Supabase backend, and publish the app to the App Store and Google Play. Key features include wallet membership cards and tap-to-pay functionality.