Senior Software Engineer – Mobile Development (Android)

Senior Software Engineer – Mobile Development (Android)OIT is seeking a Senior Android Developer to lead the design, development, and maintenance of high-quality Android applications that support City services and operations. This role will work closely with product managers, designers, backend engineers, and City department stakeholders to deliver secure, accessible, user-centered mobile experiences.The Senior Android Developer will strongly influence the full mobile development lifecycle from technical discovery and architecture through implementation, testing, deployment, and ongoing iteration. This role requires strong engineering expertise, a collaborative mindset, and a commitment to building digital tools that improve the lives of Philadelphia residents, businesses, and City employees.Essential FunctionsDesign, build, and maintain advanced Android applications using Kotlin and modern Android frameworks like Jetpack ComposeLead technical architecture decisions and establish best practices for Android developmentCollaborate with product, design, and backend engineering teams to define requirements and deliver high-quality featuresHelp to translate user needs and business goals into scalable, maintainable mobile solutionsCollaborate with UX/UI designers to implement pixel-perfect designs optimized for Android platforms and design conventionsEnsure applications comply with Google Play Store guidelines and submission requirementsWrite clean, maintainable code following Android development best practices and coding standardsIntegrate Android applications with APIs, backend services, and City data systemsEnsure applications meet standards for accessibility, security, and performanceConduct code reviews, mentor junior developers, and contribute to team-wide engineering excellenceImplement automated testing, CI/CD pipelines, and monitoring tools to support reliable deploymentsTroubleshoot and resolve technical issues across the mobile stackStay current with Android technologies, tools, and best practices, and advocate for continuous improvementSupport agile delivery practices, including sprint planning, standups, and retrospectivesCommunicate progress, risks, and technical decisions clearly to technical and non-technical audiencesCompetencies, Knowledge, Skills and AbilitiesDeep understanding of modern Android development principles and mobile UX patternsStrong proficiency in native Android development with focus on Android platform optimizationSolid understanding of Android development fundamentals including Activities, Fragments, Services, and Content ProvidersExperience with Android Studio, Gradle build system, and Android SDK toolsKnowledge of Material Design principles and Android UI/UX best practicesUnderstanding of Android app lifecycle, memory management, and performanceAbility to manage multiple priorities in a dynamic public-sector environmentCommitment to equity, accessibility, and inclusive designAbility to mentor and support other engineersStrong problem-solving skills and ability to debug complex mobile applicationsFamiliarity with Google Play Console and app store submission processesExperience with version control systems, preferably GitUnderstanding of RESTful APIs and mobile app security best practicesKnowledge of automated testing frameworks for mobile applicationsExcellent communication skills and ability to work in a collaborative team environmentWhile 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 architecturesStrong understanding of the key differences in supported hardware and features across the mobile device landscapeServer-side programming languages such as NodeJs (Typescript)Command line and shell scriptsWeb application security concerns and ways to mitigate themSQL, and usage of relational databases such as PostgreSQL, Oracle, MSSQLAmazon Web Services (AWS)ContainerizationAutomated test/deployment pipelinesAPI design and developmentQualificationsWe 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.5+ years of professional Android development experience.Prior team leadership or seniority is a plusStrong proficiency in Kotlin, Android Studio, and modern Android frameworks (Jetpack, Compose, Coroutines, etc.)Experience building and deploying applications to the Google Play Store or enterprise distributionExperience integrating RESTful APIs and working with backend servicesFamiliarity with agile or iterative development processesStrong understanding of mobile architecture, design patterns, and performance optimizationExcellent problem-solving skills and attention to detailStrong communication skills and experience collaborating with cross-functional teamsAdditional InformationSalary Range: $105,000 - $110,000All applications must include a cover letter. Applications without a cover letter will be considered incomplete.Have developed and deployed at least one Android application to the Google Play StoreDemonstrate proficiency in React Native development through portfolio or work samples*The successful candidate must be a city of Philadelphia resident within six months of hireEffective 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.

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