Senior iOS Engineer
Core
Building systems for Duolingo's ad serving, mediation, demand, and in-product ad formats to fund the company's mission.
Role type
Senior iOS Engineer (Ads Team)
Builds
Native iOS applications for ad serving and monetization features
Domain
EdTech / Mobile Advertising
Deliverable
product features
Required skills
Swift, iOS development, data structures, algorithms, software design
Preferred skills
Production-level app building, Cocoa Touch frameworks, API design, multithreaded programming, unit testing, iOS performance optimization
Technologies
Swift, Cocoa Touch
Responsibilities
Collaborate on software projects with product design and backend aspects; Develop, release, and maintain native iOS applications; Mentor and set technical direction for junior engineers
Seniority
Senior, hands-on IC with mentorship
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