Android OLX-Style Marketplace App

PHP, Mobile App Development, Node.js, PhoneGap, Image Processing, Kotlin, Payment Gateway Integration, Backend Development, Android App Development, REST API · 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, hosting, and an admin panel that gives me full control over users, listings, and reported content.

Core build • Android-only native application (Kotlin or Java in Android Studio) • Real-time GPS so users can browse ads near them, update their location on the move, and receive geo-based suggestions • Secure sign-up / sign-in, user roles, and an admin web panel to approve, suspend, or delete accounts and ads • Product listing screens with category management, advanced search, and multi-layer filters • In-app chat, push notifications, and email/SMS triggers for new messages, offers, and order status updates • Payment gateway fully supporting Credit/Debit Cards, Mobile Wallets, and Bank Transfers, with PCI-compliant handling on the server side • Image upload, compression, and cloud storage to keep the app fast while maintaining quality • Hardened backend (Node.js, Laravel, or similar) with REST/GraphQL APIs, token-based auth, and role-based permissions • Scalable