iOS Engineer, WHOOP
$105-145k
+Equity
More information about location
4 days a week in office
Wearable health and fitness devices
Be an early applicant
Wearable health and fitness devices
1001+ employees
Be an early applicant
$105-145k
+Equity
More information about location
4 days a week in office
1001+ employees
Company mission
To unlock human performance and Healthspan.
Role
Who you are
- Demonstrated curiosity for building high-quality software and eagerness to learn in a collaborative engineering environment
- Familiarity with Swift and modern iOS frameworks such as SwiftUI, UIKit, and XCTest
- Familiarity with mobile architecture patterns such as MVVM
- Experience integrating mobile applications with RESTful APIs, including networking and authentication flows
- Familiarity with iOS development tools and workflows such as Xcode, Git, Swift Package Manager, and CI
- Demonstrated ability to write maintainable, well-tested code and clear technical documentation
- Enthusiasm in leveraging AI tools while maintaining high standards for quality and engineering excellence
- Bonus: Exposure to backend development or cross-platform mobile development
- Interested in the role, but don’t meet every qualification? We encourage you to still apply!
What the job involves
- As an iOS Engineer I on the Core team, you will build the foundations that power the WHOOP iOS App and develop features that empower members to optimize performance and longevity
- You will play a critical role in building and scaling the foundational systems that power the WHOOP member experience for fitness, sleep, strain, recovery, and integrations
- You will partner closely with other engineers, product management, design, data science, and performance science to shape and build the polished member-facing experiences for these features
- Collaborate with the team and cross-functional partners through feature ideation, planning, and development to iteratively deliver new capabilities
- Contribute to technical planning by breaking down requirements into clear tasks, identifying risks and edge cases, and delivering iteratively with support from senior engineers
- Build and maintain native iOS features in Swift, communicating with RESTful backends to deliver reliable, high-quality member experiences
- Improve app quality through testing, debugging, code reviews, and performance monitoring
- Document features and technical decisions while learning shared engineering practices
Our take
WHOOP develops wearable health-tracking devices designed to help athletes optimise their performance. Its technology continuously monitors recovery, sleep, and training hours to fine-tune both individual and team performance. Unlike competitors that primarily track exercise data, WHOOP's holistic approach includes metrics like heart rate variability, which can influence more effective and healthier exercise routines.
By focusing on a subscription model that includes the cost of the physical device, WHOOP differentiates itself from competitors that charge a higher one-time fee for their products. This model provides ongoing value and encourages users to stay engaged with their health data.
WHOOP's comprehensive monitoring of strain and recovery has given it a competitive edge, even as other brands like Fitbit have incorporated similar features. Beyond sports performance, WHOOP has conducted extensive research on predicting premature births, aiming to integrate these findings into its app. This commitment to broader health applications demonstrates WHOOP's dedication to advancing wearable health technology.
Steph
Company Specialist at Welcome to the Jungle
Insights
1% employee growth in 12 months
Company
Funding (last 2 of 9 rounds)
Mar 2026
$575m
SERIES G
Aug 2021
$200m
SERIES F
Total funding: $979.8m
Company benefits
- Flexible Vacation: WHOOP has a flexible vacation policy that allows you to unwind, laptop-free, when you need it most.
- Focus on Family: We offer 18 weeks paid parental leave, plus an additional 2 weeks to gradually return to work.
- Get Invested: In addition to a competitive base salary and 401k, you're eligible to receive stock options to share in the future of WHOOP.
- WHOOP +1: Everyone on the team gets a complimentary WHOOP membership—plus another membership to share with a loved one.
- Health Matters: Our competitive benefits package covers medical, dental, and vision, in addition to mental health services, life and disability insurance, and more.
- Find Your Fit: Full-time employees get $500 a year to spend on wellness in whatever way they see fit, from fitness classes and memberships, to recovery services.
- It Pays to Sleep: Our Sleep Performance Program incentivizes employees to get more sleep. Log an average sleep performance of 85% or higher for the month and get a $100 bonus.
- Location, Location, Location: You can’t beat the views from the rooftop of One Kenmore Square. Feel inspired daily as you work, enjoy free snacks and coffee, and collaborate in the heart of Boston.
Company HQ
West Fens, Boston, MA
Leadership
Will Ahmed
(Founder & CEO)After graduating from Harvard with a Bachelor of Arts in Government and Economics, Will went on to hold Summer Analyst roles at Allen & Company and Lindsay Goldberg before founding WHOOP in 2012.
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