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Duolingo

Senior iOS Software Engineer

Build and maintain native iOS apps in Swift for Duolingo's Math, Short Form, and Video Call teams to enhance language and math learning experiences. Requires Bachelor's in CS, Swift proficiency, and strong CS fundamentals.

178k – 240kNew York, NYiOS EngineeringOnsite
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About the role

You will...

  • Collaborate on software projects with product design and backend aspects
  • Develop, release, and maintain native iOS applications, primarily in Swift
  • Mentor and set technical direction for junior engineers across the company

You have...

  • A Bachelor’s degree in Computer Science or a related technical field
  • A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
  • Programming experience in Swift

Exceptional candidates will have...

  • Strong proficiency in Swift, with proven ability to build and maintain production-level applications
  • Strong technical knowledge of iOS mobile application development for iPhone/iPad using Swift with Cocoa Touch and related frameworks
  • Experience designing clean and maintainable APIs
  • Experience with multithreaded programming
  • Experience writing unit tests and testable code
  • Knowledge of iOS SDK performance tools and optimization techniques

Skills

SwiftiOSCocoa TouchSwiftUIData StructuresAlgorithmsSoftware DesignAPIsMultithreadingUnit Testing

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