Senior iOS Developer Job at StartUp, Chicago, IL

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  • StartUp
  • Chicago, IL

Job Description

What You'll Do

  • Design, develop, and deploy an iOS application from the ground up using Swift.
  • Work closely with cross-functional teams to translate product requirements into scalable, high-performance code.
  • Ensure application performance, quality, and responsiveness through testing and debugging.
  • Implement intuitive user interfaces and engaging interactions.
  • Integrate third-party APIs and backend services to enhance app functionality.
  • Stay up to date with the latest iOS development trends, tools, and best practices.
  • Participate in code reviews and contribute to a culture of continuous improvement.

Requirements

  • Strong understanding of idiomatic Swift design patterns and iOS libraries.
  • Experience working with RESTful APIs and WebSockets to integrate backend services.
  • Deep understanding of Core Graphics, Core Image, and AVFoundation for efficient rendering, transformation, and playback of images and video.
  • Expertise in iOS display pipelines, including how CALayers, Core Animation, and rendering loops interact with the GPU for optimal performance.
  • Strong grasp of the iOS event model, including RunLoop, GCD, and how UIKit propagates touch, gesture, and UI updates across the main thread.
  • Knowledge of Apple's App Store submission process and guidelines

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