Advanced graphical UI expert for iOS

I'm seeking an experienced iOS developer to implement a barrel lens distortion effect and a fog-like blur effect, alongside creating graphical UI pages with blur and lens effects.

Requirements:
- Implement barrel lens distortion
- Create fog-like blur effects
- Develop and integrate graphical UI elements like buttons, forms, and custom animations
- Ensure smooth user experience and performance

Ideal Skills:
- Proficiency in iOS development (Swift/Objective-C)
- Experience with graphics and animation frameworks
- Strong understanding of image processing and UI design

Please provide examples of similar work.