Top Senior Android Engineer Jobs in Boston, MA

Develop and maintain native Android experiences and AI-powered personalization features for WHOOP’s recommendation engine. Responsibilities include Android architecture, Kotlin development, API integration, testing, performance monitoring, release management, technical documentation, code reviews, and collaboration with Product, Design, Backend, and engineering teams.

Develop and maintain Kotlin-based native Android features for personalized healthcare experiences. Integrate mobile applications with backend services and APIs, apply modern architecture patterns, improve shared libraries and build tooling, optimize performance and reliability, write secure tested code, participate in reviews, and document technical decisions. Collaborate with product, backend, and infrastructure teams while using AI-assisted development workflows.

Own the architecture and technical direction of WHOOP’s Android connectivity layer, including BLE transport, history synchronization, firmware delivery, reliability, telemetry, and modular codebases. Collaborate with hardware, firmware, backend, and iOS teams; diagnose device-specific issues; improve testing and code quality; support releases and incident response; mentor engineers; and define modern Kotlin and Android engineering practices.

Build and maintain Android features for a health-focused product. Responsibilities include implementing features, collaborating with engineering, product, and design teams, writing maintainable code, participating in reviews, debugging, testing, improving performance and reliability, contributing to shared libraries, and learning modern Android development practices.

Develop shared Android frameworks, design system components, libraries, and platform capabilities for global product expansion. Implement internationalization, localization, and right-to-left support while improving UI flexibility, accessibility, performance, and responsiveness across devices. Collaborate with design, backend, and platform teams; enhance developer workflows through reusable components, tooling, and documentation; participate in code reviews; and establish Android development best practices.

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.

Develop and maintain high-quality Android applications across their full lifecycle. Responsibilities include writing reusable code, creating unit and UI tests, debugging and optimizing performance, monitoring stability with Crashlytics and ANR reports, implementing analytics tracking, supporting feature rollouts and A/B testing, maintaining legacy apps, and collaborating with Product, QA, Backend, and Design teams.

Develops and designs Android application features, collaborates with product, design, and engineering teams, reviews code, writes unit tests, supports Agile/Scrum practices, monitors performance, documents technical work, and assists with deployment and continuous improvements.

Design, train, deploy, monitor, and optimize speech and NLP models for a voice-agent platform. Build MLOps pipelines, APIs, and inference services while developing Android and iOS applications that integrate AI, voice, real-time communication, and backend services. Create frontend prototypes and dashboards, conduct model experiments, evaluate vendors, optimize performance, document systems, and maintain engineering quality across collaborative teams.

Build and launch reliable, performant Android features for Airbnb’s account and commerce experiences. Responsibilities include designing declarative UI, implementing unidirectional state architecture, collaborating with backend, iOS, web, product, and design teams, writing tested maintainable code, participating in reviews, troubleshooting performance and reliability issues, and contributing to Android patterns and best practices.

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.

Designs, develops, and maintains automated test frameworks and suites for native Android applications. Integrates mobile testing into CI/CD pipelines, executes tests across emulators and physical devices, investigates failures, improves application testability, and validates behavior across Android versions and device configurations. Collaborates with Android Engineering, QA, and Product teams while contributing to automation architecture, tooling standards, and testing best practices.

Lead technical ownership of the Gateway Android app for a safety-critical mobile cardiac telemetry product. Architect and implement reliable long-running Android applications, make architectural decisions, write production code, drive design discussions and code reviews, mentor engineers, and establish durable engineering practices. Collaborate with cross-functional teams and ensure robust BLE, background execution, and secure communication capabilities.

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.

Develop and maintain scalable native Android applications using Kotlin, focusing on performance, usability, architecture, testing, and code quality. Collaborate with product, design, and backend teams; troubleshoot complex issues; maintain CI/CD workflows; document systems; lead technical initiatives; mentor junior engineers; and contribute to feature planning and estimation.

Build and ship features for a large-scale Android app using Kotlin and modern Android technologies. Responsibilities include writing tested code, collaborating with product and design teams, improving performance and stability, partnering on APIs and data flows, and participating in code reviews. The role is a full-time, long-term remote contract within the U.S.

Build and architect scalable Android client code, UI frameworks, tooling, and server-driven UI architecture using Kotlin, Compose, GraphQL, and related technologies. Establish engineering best practices, automated testing, and modernization strategies; collaborate across client and server teams; influence architecture roadmaps; mentor engineers; and deliver forward-looking technical solutions with minimal supervision. The role supports Netflix experiences across millions of users and thousands of devices.

Lead hands-on development of user-facing Android and iOS applications, taking ownership from design through production release. Build maintainable, well-tested features, optimize performance, debug unfamiliar systems, and manage app-store publishing. Collaborate with product, design, backend, and users in an agile, remote environment. Use AI coding agents responsibly to accelerate implementation, testing, reviews, infrastructure work, and incident investigation.

Build, test, release, and maintain native Android and iOS applications across a portfolio of consumer mobile products. Use Kotlin, Swift, modern mobile frameworks, automated testing, analytics, experimentation, and AI coding agents to deliver high-quality software. Collaborate with product, design, marketing, operations, and engineering teams, measure user impact, manage app-store releases, and adapt across codebases and product pods.

Own Android and iOS mobile development for a large consumer VPN product. Inherit and modernize existing codebases, integrate native VPN networking libraries, improve security, testing, CI/CD, release management, and app-store compliance. Collaborate with product, design, backend, DevOps, and marketing teams to deliver reliable user-facing features. Diagnose networking issues across mobile and Go components, optimize connection performance, and use AI coding agents responsibly.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in product discussions, support prototyping and internal testing, and test/debug apps across many devices.

Build and own a clinical Android tablet app for a TMS medical device: implement USB/serial hardware integration, native bridges, binary protocols, robust safety/error handling, reliable medical data sync to cloud, and mentor engineers while ensuring polished UX and clinical-grade reliability.

Integrate secure identity and authentication capabilities into native iOS and Android applications supporting a Federal DoD ICAM platform. Responsibilities include implementing Okta SDKs, OAuth/OIDC, PKCE, FIDO2/WebAuthn, passkeys, CAC/PIV credentials, biometric authentication, secure token storage, enrollment and recovery workflows, and mobile security controls. The role also supports NIST compliance, Zero Trust principles, CI/CD, troubleshooting, and collaboration with Federal cybersecurity and mobile engineering teams.

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.

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.