Top Senior Android Developer Jobs in Philadelphia, PA

Build and maintain iOS features for Comcast's Home Security IoT products. Collaborate with product, backend, and device teams to deliver end-to-end solutions, contribute to app architecture, implement Spec-Driven Development UIs, integrate REST APIs, improve performance and reliability, and debug complex production/connectivity issues.

Develop and maintain Android features for Comcast's Home Protection mobile experiences, collaborating with product, backend, and device teams. Contribute to app architecture, implement Spec-Driven Development UI frameworks, integrate REST APIs, improve performance and reliability, debug production connectivity issues, and participate in code reviews to support scalable, maintainable Kotlin codebases.

Develop and maintain Android camera and video features for the Xfinity app, collaborate cross-functionally, contribute to app architecture, write clean Kotlin code, improve performance and reliability, debug production issues, and participate in code reviews.

As a Staff Software Engineer, you will define technical strategy for Drive-Thru solutions, standardize Android practices, and ensure seamless integration between mobile clients and backend services while mentoring peers.

Design, build, and maintain high-quality Android applications using Kotlin/Java. Collaborate with product, design, backend, and QA teams to implement features, fix bugs, optimize performance, and ensure code quality through testing, code reviews, and CI/CD workflows.

Build secure, privacy-focused native Android applications using Kotlin, Maestro, and Graphite. Responsibilities include developing Android features, improving autofill, supporting Privacy Pro, and enhancing phishing and malware protection. The role requires end-to-end project ownership, effective UX collaboration using quantitative and qualitative data, creative problem-solving, and clear communication across cross-functional teams.

Build and own Sekai’s native Android foundation, including app architecture, navigation, lifecycle, permissions, notifications, deeplinks, session management, hybrid integrations, observability, testing, CI/CD, and release workflows. Partner cross-functionally to deliver reliable, responsive consumer experiences while establishing scalable engineering patterns and improving production quality across devices.

Build and extend large-scale Android applications using Kotlin and modern Android technologies. Own projects from planning through deployment and post-deployment, including ad monetization and gamification features. Write stable, maintainable, well-tested code; improve testing, quality, and performance; collaborate with Product, Design, and Backend; and lead technical design discussions and code reviews.

The role involves architecting and developing mobile healthcare applications, ensuring security and usability, and managing multiple development teams.

Design, build, and maintain Android tablet platform across firmware, bootloader/BSP, kernel, and device-tree layers. Support MediaTek platforms, integrate hardware components, ensure secure boot and OTA safety, maintain ROM build/release processes, develop device-side apps/tools in Kotlin/Java, run validation and QA, support factory flashing and field deployments, and provide on-call diagnostics and fixes.

Build and ship robust Android features for ClassPass in a large modular codebase. Collaborate with product and design, mentor junior engineers, conduct code reviews, write technical documentation, solve complex problems, improve systems, and contribute to architectural decisions using Kotlin and Jetpack Compose.

Develop and maintain high-performance Android applications, design new features, troubleshoot code, and work with REST/Web Services in a multi-threaded environment.

Design, build, and maintain core Android infrastructure, app architecture, developer frameworks, and release tooling. Implement cross-platform UI frameworks, server-driven UI, and scalable libraries using Kotlin, Java, Jetpack Compose, Dagger/Hilt, and GraphQL. Drive testability, performance, accessibility, and production tooling while collaborating with product and client teams to enable engineering velocity at scale.

Design and build scalable, maintainable Android client infrastructure and product experiences using Kotlin and modern Android tooling. Define best practices, write automated tests, improve app architecture (MVVM, unidirectional state), collaborate with product and design, mentor engineers, and lead high-impact projects to improve performance, quality, and developer velocity across the Netflix Android app.

Design, develop, and maintain scalable Android applications using Kotlin/Java and Jetpack components. Integrate REST APIs, optimize performance and security, participate in architecture and deployment activities, troubleshoot and resolve issues, and collaborate with cross-functional teams in an Agile environment while supporting CI/CD and release management.

Lead design, development, and maintenance of native Android applications using Kotlin and modern frameworks. Define architecture, implement features, integrate APIs, ensure accessibility, security, and performance, run CI/CD and automated tests, conduct code reviews, mentor developers, and collaborate with product, design, and backend teams to deliver production apps to Google Play.

Design, build, and maintain high-quality Android app features within cross-functional squads. Collaborate with PMs, designers, backend, firmware, and QA. Improve Android codebase, contribute to architecture, code reviews, testing, and mentor engineers while owning projects end-to-end from design to release and maintenance.

Lead design and development of high-performance, offline-capable iOS (iPad) and Android apps for mission-critical drone operations. Build real-time maps, video streaming, telemetry overlays; integrate with hardware; optimize battery, memory, and latency; implement offline-first sync; collaborate with backend/hardware teams; mentor engineers and establish CI/CD, testing, and security best practices.

Lead the development of Android products, design SDKs, enhance security measures, collaborate with cross-functional teams, and innovate in fraud prevention.

Design and implement Kotlin/Java Android apps, frameworks, and SDKs for vehicle infotainment (AOSP/AAOS). Use test-driven development, collaborate with UX, product, cluster, and mobile teams, contribute to architecture and code reviews, and deliver high-quality embedded HMI features for EVs.

Design and implement Kotlin-based Android/AOSP/AAOS apps, frameworks, and SDKs for vehicle infotainment. Deliver features and fixes, use TDD, perform code reviews, write design docs and roadmaps, collaborate with UX/product/engineering, and provide technical leadership.

As a Senior Android SDK Engineer, you will design and implement SDK features, maintain integrations with ad networks, and ensure SDK performance and reliability for mobile apps.