Portfolio Management App Development

I’m building a finance-focused mobile and web app whose core purpose is portfolio management. The first release must allow me to add, edit, and remove stock and IPO positions from a central admin console, then have those changes instantly reflected for every end-user... (Budget: ₹1500 - ₹12500 INR, Jobs: Flutter, HTML, iPhone, PHP, React Native, REST API, Web Development, Website Design)