Senior Software Engineer

Our mission at Duolingo is to develop the best education in the world and make it universally available.

As a senior iOS Engineer, you will play an instrumental role in the strategic direction of Duolingo by developing and refining the methods that make our monetization efforts more effective and efficient.

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

The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons.

Salary Range: ¥804,949-¥1,088,971 CNY

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.