Top Android Developer Jobs in Seattle, WA

Build and maintain Android features across Expedia Group brands using Kotlin. Design clean, testable code and APIs, integrate with backend services, improve performance and stability, collaborate cross-functionally, and safely incorporate AI/ML-enabled solutions. Ensure code quality with unit and UI/integration tests and CI practices.

Build and ship conversational, AI-assisted Android features and high-performance UI within the Redfin app. Drive architecture for conversational interfaces, collaborate on code quality, documentation, testing, and work with product and design to deliver maintainable, user-centered experiences. May participate in on‑call rotation.

Design and implement complex Android platform projects, drive long-term Android strategy, build core frameworks and tooling, collaborate with product/design and teammates, review code and document best practices, evangelize Android best practices and AI code-generation tools, and participate in on-call rotation to support production systems.

Design, build, test, and maintain Android applications with a focus on user experience and design. Collaborate on flagship Android development and new product prototypes.

Design and implement Android features from design through launch, optimize mobile UX and performance, perform code reviews, evaluate technical tradeoffs, and use AI tools to streamline development while maintaining security and production-quality code.

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.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, support prototyping, test and debug across devices, and translate product requirements into working features.

The Android Engineer will design and develop new features for the Android app, write automated tests, and collaborate on backend APIs in a cross-functional team.

Develop and maintain consumer Android applications using Java and Android Studio. Implement Material Design, CI and test automation, and ship apps to the Play Store. Contribute to design and architecture, work in Agile teams, and collaborate with Customer Experience and UX to implement customer-facing features.

Develop and architect consumer Android applications using Java and Material Design. Implement test automation and CI, release apps to Google Play, collaborate with UX/Customer Experience, and work in Agile teams on client-server mobile solutions.

Design, build, test, and release Android consumer apps using Java and Material Design. Collaborate with UX, implement client-server features, apply architecture best practices, use Android test automation and CI, and deliver apps to the Google Play Store within an Agile team.

Develop and maintain consumer Android applications using Java and Android Studio. Implement client-server features, follow Material Design, own design/architecture, build/test automation and CI, release apps to Play Store, and collaborate with UX and product teams in an Agile environment.

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.

The role involves building and evolving core Kotlin frameworks for Android applications, enhancing app performance, ensuring reliability, and developing automation tools to increase engineering efficiency.

Build and ship native Android features for onboarding, accounts, cards, payments, transfers, rewards and AI-assisted journeys. Turn complex financial flows into simple mobile experiences, own app quality (performance, crashes, loading states), integrate APIs and secure authentication, and iterate using production feedback and analytics while collaborating with product, design, backend and AI engineers.

Build and improve features for Rare Candy's Android app using Kotlin and Jetpack Compose. Integrate with GraphQL APIs, fix bugs, and raise UI quality. Collaborate with product, design, and backend engineers, ship production work, and grow quickly under senior mobile leadership in a fast-moving startup.

Develop native Android applications and integrate with APIs. Requires experience in object-oriented programming, particularly in Java.

The Android Mobile Developer will build consumer-facing native Android applications, integrate APIs, and require strong coding abilities in Java and object-oriented programming.

Join the mobile team within Marketplace to develop applications for sellers on a mobile device, focusing on high-performance code and collaboration with PMs and Designers.

Develop and maintain Android mobile applications in Kotlin. Implement MVVM/MVP and Clean Architecture, use DI frameworks, write unit tests, integrate network protocols (HTTP/REST/OAuth/JSON), publish apps to Google Play, follow code style and team development practices, and use Git and bug-tracking tools.

Design, build, test, and maintain Android apps using Kotlin (and Java when needed). Collaborate with product, design, backend, and QA teams; implement responsive UIs, integrate REST APIs and third-party SDKs, optimize performance, support Play Store deployments, and follow SDLC standards.

The role involves architecting and implementing Android applications, optimizing performance, and leveraging AI technologies within a collaborative environment.

Lead technical direction and architecture for Android-native POS and handheld apps. Build offline-first, high-performance systems, mentor engineers, drive cross-team initiatives, improve reliability, modularize codebase, and enhance CI/CD and observability for production at scale.

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.

The Senior Android Engineer will lead projects, collaborate with cross-functional teams, mentor junior engineers, and ensure high-quality code and design. Responsibilities include modularization, code reviews, and aligning engineering initiatives with product goals.