Top iOS Developer Jobs in Philadelphia, PA

As a Senior iOS Engineer, you will lead the iOS development, establish the architecture, collaborate with stakeholders, and implement high standards in software design and performance.

As a Senior iOS Engineer at Babylist, you will enhance the iOS app that supports new families by building user-centered features, collaborating across teams, and optimizing app performance. You will apply AI to improve development speed, mentor peers, and drive architectural decisions.

The Senior iOS Engineer will lead impactful projects, resolve product issues, collaborate remotely, and improve application features with a focus on performance and quality.

As an iOS Engineer at Geo, you will develop user interfaces, own the app architecture, and write high-performance code.

Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.

As a Staff iOS Engineer, you will lead mobile app architecture, collaborate with teams, improve development practices, mentor engineers, and stay updated with industry trends.

As an iOS Engineer, you will develop and maintain features for the Oura app, collaborating with various teams to enhance user experience and code quality.

Design, build, and maintain an iOS app using Obj-C and Swift. Collaborate with teams, debug issues, and refine features.

As a Senior iOS Developer, you'll release features weekly, collaborate closely with product and design, and improve systems for users.

The Senior iOS Engineer will lead the development and architecture of mobile apps, collaborating with cross-functional teams to enhance user experience and contribute to all development lifecycle phases.

Seeking a Senior iOS Developer to design and build high-performance iOS applications. Requires 5+ years in iOS development with Swift and Objective-C, experience with REST services, and skills in data persistence frameworks. Occasional travel may be needed.

Responsibilities include designing and maintaining CI/CD pipelines for iOS applications, automating build processes, ensuring security compliance, and developing infrastructure tools.

As a Senior iOS Engineer, you will design and integrate 3D experiences on iOS, solve architectural challenges, collaborate with teams, and optimize mobile capabilities.

As a Senior iOS Engineer at Speechify, you'll lead product decisions, ship production code, enhance app architecture, and focus on customer experience in a fast-paced startup environment.

Build and maintain the OKX mobile app, develop features, collaborate with teams, optimize performance, and manage technical documentation.

Develop and maintain iOS applications using Swift and SwiftUI with AI features, optimize performance, and collaborate with backend and ML engineers.

Lead development of Aave's iOS app: build secure wallet and blockchain integrations, ship polished UIKit-based UI, optimize performance, collaborate with design and backend teams, and own large product areas end-to-end.

As a Senior Software Engineer for iOS at Playlist, you will lead and mentor, collaborate with product and design, and enhance iOS development processes while shipping apps and improving architectures for scalability.

As a Senior iOS Engineer, you will develop and enhance key features of the WeightWatchers app, collaborate with cross-functional teams, and shape architectural decisions for the app. Responsibilities include building native features, delivering premium UI/UX, and integrating health data functionalities.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

As an iOS Software Engineer, you will develop and improve Nextdoor's iOS applications, collaborating with teams to enhance product features and usability while mentoring team members.

Design, build, and maintain high-quality iOS apps. Collaborate with PMs and designers, mentor engineers, and manage code ownership.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.

The Core iOS Senior Engineer will lead mobile development projects, troubleshoot issues, and contribute to code reviews, requiring strong experience in Objective-C and mobile software development.

The Senior iOS SDK Engineer will design, build, and support SDKs for in-app subscriptions, focusing primarily on iOS while also engaging with Android and hybrid SDKs. Responsibilities include shipping high-quality products and collaborating effectively in a remote team.