Senior React Native Developer Needed to Convert Existing PWA into Android & iOS App

We are looking for an experienced React Native developer (individual or team) to convert our existing Progressive Web Application (PWA) into a production-ready Android and iOS application. Our PWA is fully developed, actively used, and backed by a complete REST API. We are not building a new product from scratch—we need an experienced React Native developer to create a high-quality mobile application with excellent performance, native user experience, and maintainable code. The application is a GIS and location-based platform that combines interactive maps, real-time notifications, weather data, GPS functionality, multimedia content, multi language and API implementation. The complete UI, workflow, and feature specifications will be shared only with shortlisted candidates. Technical Requirements: React Native (Required) Android & iOS development Firebase Cloud Messaging (FCM) Google Maps experience Camera & Media APIs REST API integration Image & Video handling App Store & Google Play deployment Experience optimizing React Native applications for performance Please Include in Your Proposal: Experience with maps, GPS, and push notifications Your role in those projects Estimated timeline Estimated budget Your availability to start Whether you are available for long-term maintenance and future enhancements We are looking for a developer who writes clean, scalable, and maintainable React Native code, communicates well, and can deliver a polished production-quality mobile application. This is a long-term project, and the selected developer will have opportunities to continue working on future releases and new features.