Pet Care Android Application development -- 2

I'm looking for a talented android app development helping hand to build a pet care app for Android users. The app will include appointment scheduling, reminders for medications and vaccinations, and a lost pet tracker. Additionally, I would like the app to be integrated with social media networks. The person should have experience with developing for the Android platform. From scratch the team will work on building application and the freelancer should also be capable of presenting some new add-on features. Also should be able to provide some prototypes and manage the team works.

Required Skills:
*Proficiency in English is mandatory.
*Freelancer has to be actively participated on many projects.
*Should be expert in Python, Kotlin, Java, Flutter development.
*Minimum 5yr+ experience required.