Senior Engineer Mobile iOS Developer

Job Description

• You will:
  • 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

Essential Functions

• 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
• Collaboration
• 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
• Quality Assurance
• 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

Qualifications

We care more about what you can do than where you learned how to do it.  That said, a bachelor’s degree is a good foundation for the work, and job-related experience around the competencies above is acceptable as well.  The ideal candidate will have at least five years of supervisory, or management experience.

Competencies, Knowledge, Skills and Abilities

• 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

While you won’t necessarily be working with these technologies every day, you should have a broad enough understanding of them to help support your team.

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

Additional Information

Salary Range: $75,000-$82,400

Salary cannot exceed $82,400

All applications must include a cover letter. Applications without a cover letter will be considered incomplete. 

Work Setting: in-person (onsite)

Discover the Perks of Being a City of Philadelphia Employee:
•    We offer Comprehensive health coverage for employees and their eligible dependents
•    Our wellness program offers eligibility into the discounted medical plan
•    Employees receive paid vacation, sick leave, and holidays
•    Generous retirement savings options are available
•    Pay off your student loans faster - As a qualifying employer, City of Philadelphia employees are eligible to participate in the Public Service Loan Forgiveness program. Join the ranks of hundreds of employees who have already benefited from this program and achieved student loan forgiveness.
•    Enjoy a Free Commute on SEPTA - Starting September 1, 2023, eligible City employees will no longer have to worry about paying for SEPTA public transportation. Whether you're a full-time, part-time, or provisional employee, you can seize the opportunity to sign up for the SEPTA Key Advantage Program and receive free Key cards for free rides on SEPTA buses, trains, trolleys, and regional rails.
•    Unlock Tuition Discounts and Scholarships - The City of Philadelphia has forged partnerships with over a dozen esteemed colleges and universities in the area, ensuring that our employees have access to a wide range of tuition discounts and scholarships. Experience savings of 10% to 40% on your educational expenses, extending not only to City employees but in some cases, spouse and dependents too!
Join the City of Philadelphia team today and seize these incredible benefits designed to enhance your financial well-being and personal growth!

*The successful candidate must be a city of Philadelphia resident within six months of hire

Effective May 22, 2023, vaccinations are no longer required for new employees that work in non-medical, non-emergency or patient facing positions with the City of Philadelphia. As a result, only employees in positions providing services that are patient-facing medical care (ex: Nurses, doctors, emergency medical personnel), must be fully vaccinated.

The City of Philadelphia is an Equal Opportunity employer and does not permit discrimination based on race, ethnicity, color, sex, sexual orientation, gender identity, religion, national origin, ancestry, age, disability, marital status, source of income, familial status, genetic information or domestic or sexual violence victim status. If you believe you were discriminated against, call the Philadelphia Commission on Human Relations at 215-686-4670 or send an email to [email protected].