Top Senior Android Developer Jobs in Portland, ME

Build and maintain Signal's Android app with strong emphasis on code quality and user privacy. Architect major enhancements, ship features to millions, and contribute immediately to the open-source Android codebase while collaborating across a small, distributed team.

Design, develop, test, and deploy advanced Android applications. Lead and mentor an Android team, conduct code reviews, collaborate with cross-functional teams and UX/UI designers, integrate RESTful and third-party APIs, troubleshoot complex issues, and optimize apps for performance, security, and scalability.

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.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

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.

Design and implement custom Android system services, AIDL interfaces, and hardware abstractions for headless AOSP devices. Build system-level features in Kotlin/Java/Rust/C++, diagnose OS-level memory and concurrency issues, create CTS/VTS tests and update pipelines, and perform root-cause analysis on tombstones and kernel logs across Qualcomm-based hardware.

Lead development of native Android launchers and a reusable launcher platform. Integrate Unity-as-a-Library, optimize performance and memory, implement ad monetization compliant with Google Play, own releases from architecture through Play Store deployment, mentor Android engineers, and use AI-assisted tools to accelerate development while ensuring quality and policy compliance.

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, build, and maintain high-quality Android/iOS mobile applications integrated with OXIO's telecom platform. Contribute to architecture, write reusable/testable code, optimize performance, implement automated tests, troubleshoot across devices, and support CI/CD and releases while collaborating with backend and platform teams.

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.

Design, build, and optimize native Android applications. Integrate RESTful backends, implement responsive UIs, handle offline storage and threading, use sensors, and automate code quality and CI/CD pipelines.

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.

As a Senior Android Engineer, you'll develop new features for the ClassPass mobile apps, emphasizing collaboration, code quality, and user-friendly design.

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.