Android Mobile Developer

City of Philadelphia•Philadelphia, PA

13h•$65,000 - $80,000•Onsite

About The Position

The Office of Innovation & Technology (OIT) is the central IT agency for the City of Philadelphia. OIT oversees all major information and communications technology initiatives for the City of Philadelphia, aiming to increase the effectiveness of the IT infrastructure. The role involves developing and maintaining high-quality Android applications, building responsive mobile interfaces, and collaborating with the mobile development team to establish best practices. The position requires ensuring applications comply with Google Play Store guidelines, writing clean and maintainable code, participating in code reviews, and working closely with UX/UI designers. The developer will also be responsible for debugging and resolving Android-specific issues, optimizing app performance, integrating with backend APIs, and staying current with Android development trends. The role includes supporting production applications and responding to critical issues as needed.

Requirements

Strong proficiency in React Native development with focus on Android platform optimization
Solid understanding of Android development fundamentals including Activities, Fragments, Services, and Content Providers
Experience with Android Studio, Gradle build system, and Android SDK tools
Knowledge of Material Design principles and Android UI/UX best practices
Proficiency in JavaScript/TypeScript and Java/Kotlin programming languages
Understanding of Android app lifecycle, memory management, and performance optimization
Experience with Android-specific libraries and frameworks (Retrofit, Room, WorkManager, etc.)
Familiarity with Google Play Console and app store 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
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
A bachelor’s degree is a good foundation for the work, and job-related experience around the competencies above is acceptable as well.
At least five years of relevant experience.

Responsibilities

Develop and maintain high-quality Android applications using native Android technologies
Build responsive mobile interfaces that work seamlessly across various Android devices and screen sizes
Collaborate with the mobile development team to establish best practices for Android-specific development
Implement Android-specific features including push notifications, background services, and device integrations
Ensure applications comply with Google Play Store guidelines and submission requirements
Write clean, maintainable code following Android development best practices and 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 Android platforms
Debug and resolve Android-specific issues across different device manufacturers and OS versions
Optimize app performance for various Android hardware configurations
Integrate with backend APIs and services to deliver seamless user experiences
Stay current with Android development trends, tools, and Google'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 Android applications and React Native cross-platform solutions
Implements Android-specific UI components and navigation patterns
Integrates with Android system services and hardware features
Optimizes applications for performance across diverse Android device ecosystem
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 Android applications
Performs thorough testing across multiple Android devices and OS versions
Follows established QA processes to ensure high-quality app releases