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Duolingo

Language learning app with gamified lessons

Software Engineer 2 - iOS, Growth

Mobile EngineeringConfirmed live in the last 24 hours
Full-timeBeijing, China

About the Job

Requirements

  • A bachelor's degree in Computer Science or a related technical field is required.
  • A solid foundation in computer science, including strong competencies in data structures, algorithms, and software design, is required.
  • Two to five years of experience programming in Swift is required.
  • Relocation to Beijing, China is required.
  • Exceptional candidates will have strong proficiency in Swift and proven ability to build and maintain production-level applications.
  • Exceptional candidates will have strong technical knowledge of iOS mobile application development for iPhone and iPad using Swift, Cocoa Touch, and related frameworks.
  • Exceptional candidates will have experience designing clean and maintainable application programming interfaces.
  • Exceptional candidates will be proficient in both spoken and written English.

Responsibilities

  • Collaborate with product managers and designers to drive user growth.
  • Develop, release, and maintain native iOS applications, primarily in Swift.
  • Contribute to code reviews and collaborate across teams to ensure quality and scalability.

Desired Qualifications

  • Experience with iOS development, running experiments, and cross-functional collaboration to improve key metrics such as daily active users.

About the Company

Duolingo

Language learning app with gamified lessons

Duolingo creates an online language learning platform that offers bite-sized, gamified lessons. It uses a freemium model: core features are free with in-app advertisements, while a premium subscription unlocks an ad-free experience and additional features. The app works by presenting short lessons that reinforce language skills through interactive exercises and rewards, designed to keep users engaged and learning daily. Compared with competitors, Duolingo leverages a very large global user base and a well-known brand, highlighted by being the most downloaded education app in App Store history and a leading education app by revenue in 2019, along with a visible emphasis on workplace culture. Its overarching goal is to make high-quality education universally accessible to people around the world.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Pittsburgh, PA
Founded
2011

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