Senior iOS Software Engineer

Duolingo

Seattle, WA

Full Time

Senior

149k-149k

11 days ago

Job Description

About the Role

Our mission at Duolingo is to develop the best education in the world and make it universally available. It's a big mission, and that's where you come in! At Duolingo, you'll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You'll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that's both fun and meaningful. Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

Key Responsibilities

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

Requirements

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

Nice to Have

A minimum of 5 years of programming experience in Swift
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

Qualifications

Educational background in Computer Science or a related field
Strong programming skills in Swift
Experience with iOS application development

Benefits & Perks

Multi-level salary range ($148,800 — $274,600 USD) with additional equity compensation and benefits
Holistic well-being support
Fair and accurate interview environment
Accommodation support if needed

Working at Duolingo

Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, gender identity, age, veteran status, disability, or other protected characteristics.

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