Android App Modifications & API Key

My current Android mobile app is ready for a round of improvements. I need a seasoned Android developer to refresh the UI/UX, introduce a couple of new features that are already specced out, and squash the lingering bugs users keep flagging... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Android Studio, API Integration, Java, Kotlin, Mobile App Development, Software Architecture)