Ionic App Overhaul/Renovate: Upgradation to latest Version, UI/UX Redesign & iOS Development

I'm seeking a seasoned developer to upgrade my current Ionic application to the latest version. This project involves a complete UI/UX redesign, with a focus on enhancing the navigation flow, visual aesthetics, and user feedback and interactions. The iOS version of the application needs to be developed with specific enhancements in performance optimization, integration of platform-specific features, and ensuring a consistent experience with the Android version.

Ideal Skills:
- Extensive experience with Ionic framework
- Proficiency in UI/UX design and implementation
- iOS development expertise
- Strong focus on performance optimization
- Ability to create platform-specific features

Please provide a portfolio showcasing similar projects you've completed, particularly those involving Ionic applications and iOS development.