Looking for a person to optimise two simple files in a Xamarin Forms application

***** I will not be accepting bids from agencies / teams for this project ***** I have two files (GSButton and GSSButton) that inherit from the Button object. These files contain repeated code / methods. In the future I will be adding more similar files that inherit from the Button object so I would like to move as much as possible that is repeated into another file and have these files reference the methods in the other file. As part of this project you will need to download the full code for the sample application (it's small) from github, check it works, create another file that shares methods as much as possible, make the two files reference these methods, check it works and publish back to github. I have many small tasks like this and the work produced will enable me to know if the person who does the task would be qualified for other upcoming tasks.