Proprietary Trading Evaluation & Simulation App

I need a professional, production-ready trading evaluation platform similar in functionality to modern prop firms, but with a completely original design, branding, and source code. The platform should be fast, secure, scalable, mobile responsive, and built for commercial use... (Budget: ₹37500 - ₹75000 INR, Jobs: Django, HTML, iPhone, Mobile App Development, Node.js, PHP, PostgreSQL, React.js, REST API, Web Development)