iOS Engineer I (Fitness)

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 monitors key physiological metrics to provide personalized insights that improve fitness, health, and recovery.

As a Software Engineer I (iOS) on Fitness, you will develop features that empower members to optimize performance and longevity. Fitness helps members understand key metrics such as strength and aerobic capacity, VO2 Max, Steps, and Heart Rate Zones – it is the bridge connecting members to our powerful data science algorithms through beautiful visualizations. You will collaborate with product management, design, data science, performance science, and your fellow engineers to shape and develop the technical direction of these impactful health and performance features.

RESPONSIBILITIES:

• Work on a cross-functional team throughout feature ideation, planning, and development.
• Translate feature requirements into engineering tasks, identify risks and tradeoffs, and ship iteratively to mitigate risk.
• Utilize knowledge of Swift to develop and maintain product features and communicate with a RESTful backend.
• Participate in code reviews, testing, and documentation to ensure software quality.
• Participate in the release process including getting the app built, managing build variants, signing, sending and testing through Firebase, and submitting to the App store.
• Analyze and monitor user metrics and feedback to determine crash rate or potential bugs and to improve the member experience.

QUALIFICATIONS:

• You build native iOS applications using best-practice mobile architecture and modular design, including patterns such as MVVM and MVI.
• Communicating with RESTful services is familiar territory for you.
• You have worked with Swift and frameworks such as SwiftUI, UIKit, AutoLayout, InterfaceBuilder, and XCTest.
• You write code that holds up over time with solid test coverage, clear documentation and an eye toward making it easy for others to understand.
• You effectively utilize Xcode, Swift Package Manager, and debug tooling as part of this process.
• You’re energized by significant challenges and take a data-informed, iterative approach to solving them.
• You are a team player who thrives on continuous learning and direct feedback.
• You are comfortable adapting and iterating in a dynamic, evolving environment.
• You are eager and willing to learn and grow rapidly with AI and AI tools.

Learn 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 E-verify 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.