Top iOS Developer Jobs in Philadelphia, PA

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

As a Lead Mobile Developer, you will design and maintain iOS apps, mentor developers, optimize performance, and integrate with backend services while collaborating with cross-functional teams.

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.

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 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.

Responsible for the development and maintenance of iOS applications, focusing on performance, user experience, and collaboration with design teams.

Lead the iOS application development, guide the team, ensure app performance and scalability, and collaborate on new features.

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.

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.

The role involves designing, developing, and maintaining iOS applications, driving technical architecture, and promoting knowledge sharing within the team.

The role involves building advanced applications in Swift and SwiftUI, reviewing code, mentoring juniors, and collaborating on new features, requiring significant software development experience on Apple platforms.

The Senior iOS Engineer will lead technical initiatives, mentor engineers, improve architecture, and ensure app performance in a clinical communication platform.

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.

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.

The Lead Software Engineer for Mobile iOS will design, test, and deliver applications, oversee software maintenance, collaborate on mobile experiences, and mentor junior engineers, utilizing Swift and modern Apple frameworks to enhance user experiences.

As a Senior Software Engineer, you'll enhance mobile Wikipedia experiences, lead project implementations, and mentor team members while collaborating across departments to prioritize and deliver high-quality features.

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.

Develop and maintain iOS applications, ensure performance optimization, collaborate with designers, write clean code, and integrate APIs.

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.

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