Hello,
I have developed many macOSX application on Xcode with Cocoa framework.
I need to know what exactly you expect.
This bid price is negotiable ,so spend some time to discuss your requirements and we will start.
I have been a devloper of Travel Infinite (OSX and iOS) app developer, photoscapeX (the editing part and final testing), bulk email sender for mac and adv. network utilities.
So, having a real time experience on mac OSX software dev., I would like to extend my idea and knowledge for your software development.
Let's discuss and start.
Regards Kaustubh
(price is negotiable)