Programming Languages:

• Swift: Mastery of Swift syntax, object-oriented programming principles, and best practices.
• Objective-C: Understanding of Objective-C for existing codebases or interoperability with legacy systems.

Platforms and Frameworks:

• Xcode: Proficiency in Xcode IDE for development, debugging, and deployment.
• Cocoa Touch Frameworks: Extensive knowledge of native iOS frameworks like UIKit, Core Graphics, Core Animation, Core Data, Foundation, etc.
  
  

Version Control: Familiarity with Git version control systems for code management and collaboration.

Testing: Understanding of unit testing and UI testing methodologies for quality assurance.

Networking and APIs: Experience with networking protocols like HTTP, and RESTful APIs, and knowledge of JSON/XML data formats.

Databases: Proficiency in Core Data or SQLite for local data storage and retrieval.

Security: Understanding of iOS security best practices and implementation of secure coding techniques.

Additional Skills:

• Design and User Experience: Familiarity with iOS design principles and ability to create intuitive interfaces.
• Problem-solving and Debugging: Strong analytical skills for troubleshooting complex technical issues.

Specialized Skills 

• SwiftUI: Expertise in building SwiftUI interfaces for modern, declarative development.
• ARKit and Core ML: Experience with augmented reality and machine learning technologies.
• Metal: Knowledge of Metal graphics framework for performance-intensive applications.