Top Android Developer Jobs in Seattle, WA

Design and deliver Android system applications for Toast POS devices, including device policy enforcement, setup, firmware and app updates, background services, and fleet deployment. Lead technical design, cross-functional planning, Android and hardware upgrades, automated testing, production issue investigations, and staged rollouts. Mentor engineers and collaborate with product, hardware, QA, and software teams to build secure, reliable device-management systems.

Develop Android features and customer-facing mobile experiences from design through launch. Build smooth, stable, scalable products using Kotlin, Java, RxJava, Dagger, and AI-assisted engineering workflows. Evaluate technical tradeoffs, collaborate with design, conduct code reviews, and uphold standards for correctness, security, performance, and production quality.

Develop and launch scalable Android features from design through implementation, creating smooth and stable user experiences. Evaluate technical tradeoffs, collaborate with design, conduct code reviews, and maintain high standards for correctness, security, performance, and production readiness. Use Kotlin, Java, RxJava, Dagger, and AI-assisted development tools. The role requires substantial software development experience and Android application expertise.

Build and maintain Stripe Identity’s Android SDKs and mobile verification experiences, including document and selfie capture. Develop reliable APIs and reusable components, integrate with backend services, improve performance, testing, observability, releases, and backward compatibility, and operate production systems. Collaborate with product, design, machine learning, backend, research, and field teams to deliver secure, accessible, privacy-conscious experiences for developers and end users.

Build identity, login, registration, and account experiences for Android mobile and Android TV using Kotlin. Develop shared Android SDKs, feature-flagged releases, A/B tests, telemetry, and privacy-related functionality at large scale. Diagnose Android device issues, maintain code quality through testing and reviews, document integrations, and collaborate with product, data science, design, legal, and privacy teams.

Build Grow Therapy’s native Android app from the ground up as the founding Android engineer. Own architecture, developer tooling, testing, CI/CD, production releases, observability, security, and consumer-facing features. Set Android standards and technical direction while partnering with product, design, iOS, and backend teams. The role requires hands-on delivery, strategic decision-making with incomplete information, and preparation for a growing Android organization.

Build and deliver Android features for rewards discovery, shoppable content, partner integrations, and purchase attribution. Develop within a large modular Kotlin and Jetpack Compose codebase, collaborate with product, design, backend, data, and marketing technology teams, and improve performance, reliability, engagement, and rewards redemption through testing, profiling, and scalable architecture.

Develop and release Android features for rewards discovery, shoppable content, partner integrations, and purchase attribution. Build within a large modular architecture using Kotlin, Jetpack Compose, MVVM, Hilt, Room, and modern Android tooling. Collaborate with product, design, backend, data, and marketing technology teams while improving performance, reliability, engagement, and rewards redemption across Fetch’s mobile platform.

Develop and deliver native iOS features for MyFitnessPal’s AI-powered food logging experience. Responsibilities include implementing user interfaces, optimizing performance and network communications, building tested and secure solutions, collaborating with product and design teams, researching technical approaches, mentoring developers, and contributing to deployment and engineering best practices.

Build and scale customer-facing Android marketplace applications using Kotlin, Compose, and modern Android architecture. Own complex features end to end, lead technical direction, improve testing and CI/CD, support releases and observability, and modernize legacy codebases. Use AI tools for coding, testing, debugging, documentation, and operational efficiency while mentoring engineers and collaborating with product, design, backend, platform, QA, and iOS teams.

Build and ship features for ElevenLabs’ Android Creative App, integrating AI-driven audio models for millions of users. Collaborate with design, product, and research teams to shape product direction and app architecture. Run A/B tests, interpret experimental data, and prioritize improvements. Own production performance, quality, and responsiveness, with potential work on audio streaming and mobile build, testing, and release infrastructure.

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.

Own Android features end to end, from identifying user needs through development, launch, and performance evaluation. Build idiomatic, well-tested Kotlin and Jetpack Compose applications, shape product direction, and collaborate with design, leadership, and engineers across Android, iOS, web, and backend. Drive decisions in ambiguous situations, improve mobile engineering standards, and contribute to product strategy while working remotely with distributed teams.

Own Uber’s Android build platform across Bazel, Starlark rules, toolchains, dependency management, remote caching, remote execution, and CI. Improve build speed, reliability, cost, diagnostics, and test selection across a large monorepo. Lead platform migrations, upgrades, observability, incident response, technical standards, and cross-team initiatives while mentoring engineers and setting the Android build roadmap.

As an Android Software Engineer, you'll design and develop applications, enhance Android components, and improve telemetry solutions for device reliability in rugged tech environments.

Develop Android features and platform capabilities for Uber’s autonomous mobility products. Lead technical projects from inception through deployment, collaborate with product, data science, and operations teams, and make trade-offs across performance, quality, and delivery speed. Establish testing, monitoring, and alerting standards, manage complex incidents, improve engineering velocity, and deliver high-quality customer-facing mobile experiences at global scale.

Develop Android features and platform capabilities for Uber’s autonomous mobility products. Build scalable mobile experiences, lead technical projects from inception through deployment, and collaborate with product, data science, and operations teams. Responsibilities include balancing performance and quality, establishing testing and monitoring standards, managing complex incidents, improving engineering velocity, and contributing to technical excellence across the organization.

Lead the architecture and delivery of TeamSnap’s Android advertising platform, including native, display, and video ad experiences. Build privacy-conscious consent and measurement capabilities, optimize performance, shape Kotlin and Jetpack Compose architecture, and lead cross-team technical initiatives. Partner with advertising, product, design, legal, and data teams while mentoring engineers and establishing Android standards.

Develop and lead frontend platform engineering for native and hybrid mobile applications. Build reusable, well-tested Android and iOS SDK components, contribute to architecture and system design, collaborate with product and engineering teams, own customer-facing deliverables, and identify product improvements while maintaining strong engineering standards.

Build and own Android growth and monetization experiments across subscriptions, pricing, advertising, purchases, and upgrade flows. Partner with product, design, data science, and analytics to instrument experiments, manage staged rollouts, monitor performance, and act on results. Use AI tools throughout development, contribute to Android architecture and engineering practices, participate in on-call support, mentor engineers, and help scale reliable mobile experiences to tens of millions of users.

Build and improve scalable, accessible Android applications for Wikipedia and Wikimedia users worldwide. Responsibilities include leading technical discovery and system design, implementing Kotlin and Jetpack Compose features, optimizing performance, developing testing and observability practices, managing delivery risks and scope, and collaborating with product, design, analytics, and engineering teams.

Build and scale customer-facing Android marketplace features using Kotlin, Jetpack Compose, and modern Android technologies. Develop tested, production-ready software, use AI tools for coding and debugging, maintain reliability, and collaborate with Product, Design, backend, iOS, QA, and senior Android engineers. Contribute to platform concerns including authentication, analytics, feature flags, and CI while growing end-to-end feature ownership.

Own Android accessibility across Slack, including Compose component fixes, TalkBack troubleshooting, automated accessibility testing infrastructure, VPAT compliance, regression testing, and cross-platform planning. Provide accessibility guidance to feature teams, mentor engineers, coordinate with QA vendors, and promote best practices through documentation, onboarding, and presentations.

Design, build, and ship native Android features in Kotlin for BJAK's AI Neobank app. Integrate backend APIs, improve performance, reduce crashes, collaborate with product/design, use analytics to iterate, and add on-device AI where it improves UX.

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.