Android Engineer II — AI-Driven, Scalable Apps

WHOOP; Boston (MA); On-site; USD 100,000 - 150,000; Full time

Job summary

WHOOP is seeking an Android developer to design, build, and maintain scalable features that connect to WHOOP backend services. You will collaborate with backend, infrastructure, and product teams to ensure seamless, high-performing end-to-end systems.

You will apply MVVM/MVI patterns, participate in code reviews, and contribute to library and tooling improvements that accelerate development and quality across multiple teams.

Qualifications

• 2-4 years of professional Android development experience.
• Proficiency in Kotlin (and Java when necessary), Android Jetpack libraries, and the Android development ecosystem.
• Strong understanding of Android app structure, lifecycle, concurrency (Coroutines), and memory management.
• Experience integrating with RESTful APIs and backend services.
• Familiarity with modular architecture and scalable design systems (MVVM, MVI).
• Experience using Git and productivity tools like Jira, Confluence, and GitHub.
• Exposure to mobile CI/CD workflows, Gradle build configuration, and mobile release processes.
• Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions.

Responsibilities

• Design, build, and maintain scalable Android features that integrate with WHOOP's backend services and APIs
• Collaborate with backend, infrastructure, and product teams to ensure seamless and performant end-to-end systems
• Apply modern Android architecture patterns (e.g., MVVM, MVI) and modular design principles to support team scalability
• Improve developer enablement by enhancing shared Android libraries, frameworks, and build tooling
• Monitor app performance, debug complex issues, and optimize for speed, stability, and battery life
• Write secure, well-tested code and participate in design and code reviews to maintain engineering excellence
• Document technical decisions, architecture, and design to promote alignment and knowledge sharing

Skills

Kotlin

Java

Android Jetpack

MVVM/MVI architecture

RESTful APIs

Git

Jira/Confluence/GitHub

CI/CD for mobile

Gradle

AI tooling

Job description

WHOOP is seeking an Android developer to design, build, and maintain scalable features that connect to WHOOP backend services. You will collaborate with backend, infrastructure, and product teams to ensure seamless, high-performing end-to-end systems.

You will apply MVVM/MVI patterns, participate in code reviews, and contribute to library and tooling improvements that accelerate development and quality across multiple teams.