As an aspiring web and mobile app developer with a specific interest in Flutter, I am well-prepared to execute your React Native project. Though I don't have the exact number of years of experience you may be looking for, my dedication and adaptability to emerging technologies make up for it. Moreover, I have already dipped my toes into HTML, CSS, JavaScript, and Dart - the core building blocks which make me a good feet for your multi-platform app.
Regarding your needs for GPS integration accurately and real-time notifications, I'm more than ready to undertake these tasks. With my continuous learning attitude and crucial problem-solving skills at my disposal, dealing with any bugs or complex integrations won't be a problem.
A cherry on top is the reasonable pricing I offer, 150 rupees per screen - ensuring the quality does not overshadow your budget. And yes while I haven't work primarily in payment processing integration before but I'm confident this won't become an obstacle as proficiently utilizing modern tools and technologies has always been my forte.
Let's capitalize on my skills and enthusiasm for your project. My hunger to learn and grow will ensure that not only you get the product in the spec-tight schedule but a pragmatic interface that will leave a lasting impact. Let's create inventive technology together! Looking forward to conecting with you soon!