Android OLX-Style Marketplace App

I need a complete Android marketplace that lets people buy and sell items with the same flow and feature depth users expect from OLX. The project covers everything from the native app itself to the backend,... (Budget: ₹25000 - ₹50000 INR, Jobs: Android App Development, Backend Development, Image Processing, Kotlin, Mobile App Development, Node.js, Payment Gateway Integration, PhoneGap, PHP, REST API)