I am developing android apps since 2016, using java and kotlin, using the google android guidelines, jetpack and architecture components i will deliver you app that respect MVVM patterns and clean architecture, using coroutine for asynchronous calls
ive been working with french and German offshore companies that deliver location and planning managment apps,sensor network management and supervising,...i have good working code base that i would use
Please don't hesitate to contact me for further info