Appium C# Automation Tests for MacOS Desktop App

I'm in need of an Appium expert with good experience in writing UI/End-to-end tests. The target platform for the app is MacOS desktop, and the tests should be written in C#.

Key requirements:
- Write UI/End-to-end tests for a Flutter-based web app
- Target platform: MacOS desktop
- Language: C#
- Test coverage: Basic level covering only the core functionalities
- Experience with Appium and prior work on MacOS desktop apps is a plus.

Your deliverables:
- A set of UI/End-to-end tests that thoroughly cover the basic functionality of the app
- Code should be clean, well-documented and easy to maintain
- A detailed test report demonstrating the coverage of the basic functionalities

If you have the right skills and experience, please submit examples of your previous work in similar projects.