Hello,
I just gone through the description for your project and it seems like i could be great fit for your bug fixing and adding features if required. As i have 8+ years of exp in XAMARIN application ndevelopment.
Below are my technology stack in which i am good , please have a look on it :
Front-end : Angular, TypeScript, JavaScript, React.js ,Razor, jQuery.
Back-end : C#, ASP.NET, ASP.NET Core, Node.js,SignalR, Entity Framework, RabbitMQ.
Databases : SQL, MongoDB, Microsoft SQL Server, PostgreSQL, PostGIS , AWS
Mobile technology : React Native, Xamarin, Kotlin, Swift, Android SDK, iOS SDK, DJI SDK, BLE, iBeacon, Vuforia.
Please initiate over chat for to clarify the exact estimation along with requirements and discussion
Thanks