DuolingoPittsburgh, PABuild and maintain native iOS apps in Swift for Duolingo's core short-form learning features, collaborating with design and backend teams while mentoring juniors. Requires Bachelor's in CS, Swift experience, and strong CS fundamentals.
Build and maintain native iOS apps in Swift for Duolingo's Math, Short Form, and Video Call teams to enhance language and math learning experiences. Requires Bachelor's in CS, Swift proficiency, and strong CS fundamentals.
Senior iOS engineer building native mobile apps for a consumer fintech platform. Own end-to-end feature delivery, build scalable frameworks, and optimize performance using Swift and UIKit in a collaborative NYC-based team.
Senior iOS engineer to own end-to-end development of a mobile app for real estate professionals. Requires 7+ years of Swift/iOS experience, architecture ownership, and cross-functional collaboration.
Senior iOS Engineer responsible for architecting a modular, high-performance video player framework on iOS using Swift. Partners with backend, CDN, product and design teams to deliver world-class media experiences at scale for Reddit's 50M+ daily users.
Senior iOS Engineer builds and maintains user-facing features in a modern Swift/SwiftUI stack for a rewards app serving millions. Requires 5+ years iOS experience, concurrency expertise, and cross-functional collaboration.