An iOS expert who will help millions of people learn on a mobile device.
Duolingo software engineers develop next-generation education technology that changes how over 300 million people around the world learn. We’re looking for engineers who bring fresh ideas from all areas in computer science, including natural language processing, machine learning, large-scale system design, and iOS & Android mobile app development. As an iOS software engineer, you will work on a specific project critical to Duolingo’s needs, with opportunities to switch teams and projects as our fast-paced startup grows and evolves. You will develop applications primarily in Objective-C and Swift. We need our engineers to be versatile, display leadership qualities and be enthusiastic to tackle new problems across the full-stack as we continue to innovate.
Collaborate on software projects with product design and backend aspects
Develop, release, and maintain native iOS applications
Manage individual project priorities, deadlines and deliverables
A Bachelor’s degree in Computer Science or related technical field
A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
Some programming experience in Objective-C and Swift
EXCEPTIONAL CANDIDATES WILL HAVE
5 years of programming experience in either Objective-C or Swift
Strong technical knowledge of iOS mobile application development for iPhone/iPad using Objective-C/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