SE Mobile iOS Developer

City of Philadelphia•Philadelphia, PA

3d•Onsite

About The Position

The Office of Innovation & Technology (OIT) is seeking a SE Mobile iOS Developer to develop and maintain high-quality iOS applications using React Native and native iOS technologies. This role involves building responsive mobile interfaces, implementing iOS-specific features, and ensuring applications comply with Apple App Store guidelines. The developer will collaborate with a cross-functional team, participate in code reviews, and optimize app performance. The position requires a strong understanding of iOS development fundamentals, JavaScript/TypeScript, and Swift/Objective-C, as well as experience with Xcode and version control systems. The developer will also be responsible for writing unit and integration tests and supporting production applications.

Requirements

At least five years of supervisory, or management experience
Strong proficiency in React Native development with focus on iOS platform optimization
Solid understanding of iOS development fundamentals including UIKit, Core Data, and iOS frameworks
Experience with Xcode, Interface Builder, and iOS development tools
Knowledge of Apple's Human Interface Guidelines and iOS design principles
Proficiency in JavaScript/TypeScript and Swift/Objective-C programming languages
Understanding of iOS app lifecycle, memory management, and performance optimization
Experience with iOS-specific libraries and frameworks (Alamofire, Core Location, Core Animation, etc.)
Familiarity with App Store Connect and iOS app submission processes
Strong problem-solving skills and ability to debug complex mobile applications
Experience with version control systems, preferably Git
Understanding of RESTful APIs and mobile app security best practices
Knowledge of automated testing frameworks for mobile applications
Excellent communication skills and ability to work in a collaborative team environment
Understanding of the modern mobile platform and common architectures
Strong understanding of the key differences in supported hardware and features across the mobile device landscape
React Native
Command line and shell scripts
Web application security concerns and ways to mitigate them
Git, or similar version control systems
SQL, and usage of relational databases such as PostgreSQL, Oracle, MSSQL
Amazon Web Services (AWS)
Containerization
Automated test/deployment pipelines
API design and development
Must be a city of Philadelphia resident within six months of hire

Nice To Haves

Server-side programming languages such as .NET Core, Node.js, or PHP

Responsibilities

Develop and maintain high-quality iOS applications using React Native and native iOS technologies
Build responsive mobile interfaces that work seamlessly across various iOS devices including iPhone and iPad
Collaborate with the mobile development team to establish best practices for iOS-specific development
Implement iOS-specific features including push notifications, background app refresh, and system integrations
Ensure applications comply with Apple App Store guidelines and submission requirements
Write clean, maintainable code following iOS development best practices and Apple's coding standards
Participate in code reviews to maintain code quality and share knowledge with team members
Work closely with UX/UI designers to implement pixel-perfect designs optimized for iOS platforms
Debug and resolve iOS-specific issues across different device sizes and iOS versions
Optimize app performance for various iOS hardware configurations
Integrate with backend APIs and services to deliver seamless user experiences
Stay current with iOS development trends, tools, and Apple's evolving platform guidelines
Contribute to the continuous improvement of the mobile development process and toolchain
Support production applications and respond to critical issues as needed
Develops native iOS applications and React Native cross-platform solutions
Implements iOS-specific UI components following Human Interface Guidelines
Integrates with iOS system frameworks and device capabilities
Optimizes applications for performance across iPhone and iPad devices
Works effectively with cross-functional teams including designers, backend developers, and product managers
Participates in agile development processes including sprint planning and retrospectives
Communicates technical concepts clearly to both technical and non-technical stakeholders
Writes comprehensive unit tests and integration tests for iOS applications
Performs thorough testing across multiple iOS devices and operating system versions
Follows established QA processes to ensure high-quality app releases