Rebuild Website & License System

I need my current Lovable prototype turned into a production-ready MERN application. The finished site must mirror the design, remain fully responsive, and load quickly on both desktop and mobile. Licensing requirements • Implement a secure single-user license model... (Budget: $15 - $25 USD, Jobs: AngularJS, Database Management, HTML, MERN, MongoDB, Node.js, PHP, Web Development)