macOS Desktop App Development Needed

I need a brand-new macOS desktop application built from the ground up. All I have today is the concept and a set of rough wireframes; everything else—from selecting the right Cocoa frameworks to shipping a signed, notarised DMG—still has to be done. The job covers the full development cycle: architecture, UI implementation, feature coding, testing on both Apple-Silicon and Intel machines, code signing, sandboxing, and packaging for distribution through a simple installer. Swift + SwiftUI is my preferred stack, though Objective-C and AppKit are fine if they serve the solution better. Please use Xcode and manage the project in Git so I can track progress and review commits. I will supply the detailed user flow, artwork, and any third-party API keys as soon as we begin. Throughout the build I expect incremental test versions so we can iterate quickly on UX and performance. Deliverables • Xcode project with well-commented source • Signed, notarised DMG ready for end users • Brief markdown guide covering build steps, dependencies, and release process Clean, maintainable code, accessibility considerations, and timely communication are must-haves. If you have shipped macOS apps before and enjoy seeing a concept become a polished desktop experience, let’s get this project started.