Responsibilities:

1. Design and implement the features of mobile application.

2. Collaborate with cross-functional teams to create a world-class mobile experience.

3. Optimize application performance and user experience on the iOS platforms.

4. Promote robust and maintainable code, and deliver high-quality projects on schedule.

Requirements:

1. Bachelor's degree in Computer Science or equivalent majors with 2 years of experience in iOS development.

2. Proficiency in Swift or Objective-C, familiar with iOS system mechanisms and kernel principles.

3. Ability to understand and debug large and complex codebases.

4. Good team communication and collaboration skills.