iOS Engineer, WHOOP

• 2–4 years of professional iOS development experience
• Proficiency with Swift and iOS frameworks such as SwiftUI and UIKit
• Strong knowledge of iOS app structure, lifecycle, concurrency, and memory management
• Experience integrating with RESTful APIs and backend services
• Experience working with atomic design principles and reusable component design
• Familiarity with modern mobile architecture and design patterns (e.g., MVVM, modular design)
• Experience with version control (Git) and productivity tools (Jira, Confluence, GitHub)
• Product-minded engineer with empathy for the member experience
• Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply

Desirable

• 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 iOS 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 advancing WHOOP’s global readiness by supporting internationalization (i18n), including right-to-left (RTL) language support, while also contributing to a scalable and robust design system
• You’ll work closely with backend, design, and product teams to ensure the app is flexible, accessible, and performant across diverse user needs
• Design, build, and maintain scalable iOS features that integrate with WHOOP’s platform services and APIs
• Collaborate with backend, infrastructure, and product teams to ensure seamless integration between mobile apps and core platform systems
• Implement mobile architecture patterns (e.g., MVVM) and best practices to ensure reliability, maintainability, and scalability
• Contribute to developer enablement by improving shared libraries, frameworks, and tooling for the iOS codebase
• Monitor app performance, diagnose issues, and optimize for responsiveness and efficiency
• Write well-tested, secure code and participate in code reviews to uphold high engineering standards
• Document technical decisions, features, and architecture to support knowledge sharing and team growth