Fix small Xamarin Project

I need a Xamarin developer to fix the functionality of my app as soon as possible. The specific issue is that some features are not working properly. There are no additional features to be implemented, just a fix for the current issue. I do not have a specific deadline, but I need it done ASAP. Ideal skills and experience for this job include:
-Proficiency in Xamarin development
-Experience with troubleshooting and fixing functionality issues
-Ability to work quickly and efficiently to meet tight deadlines.