Android Engineer II (Client Platform)
WHOOP
Software Engineering
Boston, MA, USA
USD 125k-175k / year + Equity
At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level and live longer through a deeper understanding of their bodies and daily lives. Protecting our members’ data and ensuring our systems scale securely and reliably is core to this mission.
The Client Platform team is responsible for building the foundational mobile and web systems that power WHOOP’s member experience globally. As an Android Engineer II on this team, you will develop shared frameworks, design system components, and internationalization capabilities that enable teams to deliver consistent, high-quality experiences across regions and languages.
In this role, you will focus on enabling global product expansion through robust internationalization (i18n), including right-to-left (RTL) support, while helping scale a cohesive and flexible design system. You will collaborate closely with cross-functional partners to ensure the Android app delivers a seamless experience across languages, regions, and device configurations.
RESPONSIBILITIES:
Partner with Design to build and evolve a scalable Android design system
Audit and update existing UI to support flexible layouts, dynamic text, and localization requirements
Build and maintain shared Android components, libraries, and platform capabilities
Implement internationalization (i18n) best practices, including RTL layout support and localization workflows
Collaborate with backend and platform teams to integrate translation and localization systems
Improve developer workflows through reusable components, tooling, and documentation
Ensure app performance, stability, and responsiveness across a wide range of devices
Participate in code reviews and contribute to maintaining high engineering standards
Help define best practices for Android platform development at WHOOP
QUALIFICATIONS:
2–4 years of professional Android development experience
Proficiency in Kotlin and Android frameworks (Jetpack, Compose)
Strong understanding of Android UI systems and layout behavior
Experience building reusable components or contributing to a design system
Familiarity with internationalization and localization best practices
Experience integrating REST APIs and backend services
Strong debugging and performance optimization skills
Experience with version control systems like Git
BONUS QUALIFICATIONS:
Experience implementing RTL support using Android tools (e.g., start/end attributes, supportsRtl)
Familiarity with accessibility and responsive design on Android
Experience with design systems or shared component libraries
Exposure to design tokens, managing tokens for color modes and multiple themes
Exposure to cross-platform consistency challenges
Experience with localization pipelines or translation tooling
