Student Residency Management App

I need a complete, production-ready management application for Ashiyana Student Residency that works seamlessly on Web, Android, and iOS. The goal is to bring all day-to-day operations—rent collection,... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, API Development, Database Management, iPhone, Mobile App Development, Node.js, PHP, Web Development)