Drag-and-Drop Form Builder Development

I want to launch a web app that focuses on a single, powerful feature from Jotform: its drag-and-drop form builder. The goal is to let users create forms visually, arrange fields by dragging, and configure advanced logic in real time, all inside a clean browser interface... (Budget: $30 - $250 USD, Jobs: Angular, CSS, Frontend Development, HTML, JavaScript, Node.js, PHP, Web Development)