At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers users to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device tracks key physiological metrics such as heart rate variability, resting heart rate, and sleep quality to provide personalized insights into users' fitness, health, and recovery. 
As a Senior iOS Engineer on the Simplified Design Team, you will design an intuitive, world-class experience that prioritizes clarity, eliminates friction and highlights value across the member journey.  This is accomplished by building features that enable members to optimize their health and performance by connecting members to our powerful data science algorithms through our beautiful visualizations. Working alongside product management, design, and fellow engineers, your work will span WHOOP’s three core pillars Strain, Sleep, and Recovery delivering personalized guidance through engaging and intuitive user interfaces.RESPONSIBILITIES:Work in a cross functional team that collaborates closely with the data science, product, and software engineering teams at WHOOPUtilize knowledge of Swift to develop and maintain product features and communicate with a RESTful backendDocument new features and architectureContribute to new feature ideation, planning, and developmentAnalyze and monitor user metrics and feedback to determine crash rate or potential bugs and to improve engagementParticipate in the release process including getting the app built, managing build variants, signing, sending and testing through Firebase, and submitting to the App storeSelf organize using productivity tools such as Jira, Confluence, and GithubStay up to date with the latest Apple frameworks and best practicesLead and contribute to new feature ideation, planning, and developmentHelp mentor and elevate junior developers on the teamQUALIFICATIONS:Product minded engineer with empathy for the member experienceExperience in building, testing, debugging, and delivering native iOS apps in a professional environmentExperience with Swift and iOS frameworks such as SwiftUI, UIKit, AutoLayout, Interface Builder, XCTestFamiliarity with MVVM/Viper architecture Strong knowledge of iOS memory management and concurrency (Swift Concurrency & GCD)Experience developing libraries/frameworks and tooling that are used by other developersExcellent knowledge of Xcode, Fastlane, Swift Package Manager, CocoaPods, and debug toolingExperience communicating with a RESTful backendWillingness to learn and grow rapidly across iOS and external systemsExperience mentoring more junior engineersLearn more about our Software Org and how to be successful in your engineering career at WHOOP via our .
This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.
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.
WHOOP is an Equal Opportunity Employer and participates in  to determine employment eligibility.  It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.