Build a Modern Marketplace Web Application

I plan to launch a modern, web-based marketplace inspired by Itemku and I’m ready to commission its end-to-end development. The application must look and feel great on every screen size (mobile-first, fully responsive) and ship as a Progressive Web App so users can install it on their devices... (Budget: $250 - $750 USD, Jobs: HTML, JavaScript, Next.js, Node.js, PHP, Supabase, Tailwind CSS, Vercel, Web Development, Website Design)