Top Senior iOS Developer Jobs

As a Senior iOS Engineer, you will develop features for Duolingo's short-form lessons, collaborate on software projects, mentor junior engineers, and optimize applications. Responsibilities include building iOS apps in Swift and enhancing user engagement in educational content.

As an iOS Engineer, you will develop, test, and maintain the iOS application using Swift and SwiftUI while collaborating with product and backend teams to enhance user experience.

Leads mobile and digital software engineering efforts across iOS and Android initiatives. Provides architectural guidance, conducts design and code reviews, establishes design patterns, manages technical risks and dependencies, and guides teams through software delivery. Collaborates with business stakeholders, TPMs, and engineering managers, mentors developers, drives continuous improvement, and promotes best practices across Agile, waterfall, CI/CD, microservices, and cloud environments.

Contract iOS developer role requiring 8-10 years software development experience, at least 5 years in iOS. Must have published iOS apps and strong Objective-C and Cocoa Touch skills. Work authorization in the U.S. (citizen, green card, or H-1B) required.

Own and architect Polymarket's iOS product, build real-time trading experiences that handle live market data and fast-moving prices, lead iOS engineering standards, collaborate with product/design/backend, and mentor mobile engineers to ship high-quality production releases.

Lead architecture and development of Credit Genie’s iOS apps using Swift (Swift 6). Implement UX from design mocks, collaborate with product/marketing/engineering, improve development practices, mentor engineers, contribute across the development lifecycle, and evaluate emerging technologies to scale the app.

The Senior iOS Engineer will develop and maintain iOS applications, build cross-platform apps using Flutter, and collaborate with teams to enhance productivity and performance for clients.

Develop and maintain mobile applications for iOS and Android, with a strong focus on Android SDK expertise. Responsibilities require object-oriented programming, XML and JSON, HTML, JavaScript, public and private API integration, consumer-facing UI development, and understanding of the complete mobile application lifecycle.

Design, build, and maintain customer-facing iOS applications powering connected-vehicle features (connectivity, mapping, EV charging, purchases). Own complex features end-to-end, ensure performance, reliability, and security, implement automated testing, collaborate cross-functionally, mentor junior engineers, and evaluate emerging mobile technologies to improve product quality and developer productivity.

Design, implement, launch, and maintain user-facing features for the Verily Me iOS app. Collaborate with product, UX, test, and engineering teams to ensure cross-platform consistency, regulatory compliance, quality, and strong user experience. Participate in code and design reviews and improve mobile developer productivity.

Lead iOS application development, create innovative features, collaborate with cross-functional teams, and ensure high-quality standards in a supportive environment.

Senior iOS engineer responsible for building and maintaining iOS apps using Swift and SwiftUI, implementing Combine-based data flows, applying design patterns, writing UI/unit tests, managing GitHub workflows, using Crashlytics and profiling with Xcode Instruments, distributing frameworks via SPM/CocoaPods, and working with analytics and CI/security tools.

Design, build, and maintain patient-facing iOS applications and clinician tools; optimize real-time video/communication features; contribute to backend services (Python/TypeScript) and AWS infrastructure; improve app performance, architecture, testing, and reliability; collaborate with Product, Design, and Clinical teams and help establish engineering best practices.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in design discussions, prototype and test on multiple devices, and debug using manual and automated tests.

Develop and maintain production-quality mobile apps using React Native, Objective-C, Swift, and Java for iOS and Android. Translate product requirements into performant, maintainable code, support prototyping and internal testing, and test/debug on a wide variety of devices.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, prototype features, and test/debug across many devices while collaborating with product teams.

Develop and ship production-quality cross-platform mobile apps using React Native, Objective-C, Swift and Java. Translate product requirements into performant, maintainable code, support prototyping and internal testing, and test/debug on a wide variety of iOS and Android devices.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in design discussions, support prototyping and internal testing, and test/debug across multiple mobile devices.

Build and maintain production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, support prototyping and internal testing, and test/debug on a variety of devices.

Build and maintain production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in design discussions, prototype, test and debug across devices, and support internal testing efforts.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Translate product requirements into performant, maintainable code, support prototyping and internal testing, and test/debug apps across a wide variety of mobile devices.

Build and ship production-quality React Native and native mobile apps for iOS and Android. Write performant, maintainable code, support prototyping, and test/debug across many devices.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in product discussions, support prototyping and internal testing, and test/debug apps across many devices.

Develop and ship production-quality React Native mobile apps for iOS and Android. Write performant, maintainable code; translate product requirements to implementation; support prototyping, testing and debugging across devices.

Build and maintain production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in design discussions, prototype, test and debug on many devices, and support internal prototyping efforts.