Software Engineer Job at Custom Business Solutions, Inc., Chicago, IL

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  • Custom Business Solutions, Inc.
  • Chicago, IL

Job Description

Candidates for this role MUST live in one of the following states: MI, IN, IL, MN, OH, KY

No subcontract or 1099 available for this role.

We are seeking a highly skilled Senior Front-End iOS Developer with 7 to 10 years of experience in designing and developing high-performance iOS applications. The ideal candidate has a deep understanding of Xcode, Swift, SwiftUI, XCUI, and Objective-C , along with a passion for building intuitive and visually engaging mobile experiences.

Required Skills & Experience:

  • 5-10 years of professional experience in iOS development .
  • Proficiency in Swift, SwiftUI, Objective-C , and experience with Xcode and XCUI .
  • Strong understanding of iOS SDKs, frameworks, and design patterns (MVVM, MVC, VIPER, etc.) .
  • Experience working with RESTful APIs, JSON, and third-party libraries .
  • Solid knowledge of Core Data, Core Animation, and Auto Layout .
  • Familiarity with version control systems (Git, GitHub, Bitbucket) .
  • Strong debugging and performance tuning skills.
  • Ability to work in an agile development environment and collaborate effectively with cross-functional teams.

Preferred Qualifications:

  • Experience with CI/CD pipelines for iOS apps .
  • Knowledge of Unit Testing and UI Testing frameworks.
  • Experience publishing apps to the Apple App Store .
  • Familiarity with cloud services (AWS, Firebase) and mobile security best practices .

Key Responsibilities:

  • Develop and maintain cutting-edge iOS applications using Swift, SwiftUI, and Objective-C .
  • Utilize Xcode and XCUI for development, testing, and debugging to ensure high-quality, scalable applications.
  • Translate business and design requirements into functional, efficient, and maintainable code.
  • Identify and resolve performance bottlenecks and memory leaks.
  • Ensure compatibility across various iOS devices and versions.
  • Implement best practices for mobile security, performance optimization, and UI/UX design.
  • Write clear and maintainable documentation, including code comments and technical reports.
  • Work closely with backend engineers to integrate APIs and ensure smooth data flow.
  • Stay updated with the latest iOS development trends, tools, and frameworks.

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