iOS Engineer II (Growth & Healthcare) at Whoop

Boston, Massachusetts, United States

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Not SpecifiedCompensation

Junior (1 to 2 years), Mid-level (3 to 4 years)Experience Level

Full TimeJob Type

UnknownVisa

HealthcareIndustries

Requirements

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

Key technologies and capabilities for this role

KotlinJavaAndroid JetpackMVVMMVICoroutinesRESTful APIsModular Architecture

Questions & Answers

Common questions about this position

What experience level is required for this iOS Engineer II role?

The role requires 2–4 years of professional Android development experience.

What are the key technical skills needed for this position?

Proficiency in Kotlin (and Java when necessary), Android Jetpack libraries, Android app structure, lifecycle, concurrency (Coroutines), memory management, and integrating with RESTful APIs is required. Familiarity with modular architecture (MVVM, MVI), Git, Jira, Confluence, GitHub, CI/CD workflows, and Gradle is also needed.

Is this role remote or office-based?

This role is based in the WHOOP office located in Boston, MA, and the successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

What is the salary or compensation for this position?

This information is not specified in the job description.

Am I qualified if I don't meet every requirement?

Yes, interested candidates are encouraged to apply even if they don’t meet every qualification, as WHOOP values character as much as experience and is building a diverse and inclusive environment.

Whoop

Wearable fitness tracker with personalized insights

About Whoop

WHOOP offers a fitness membership that focuses on improving personal health and performance through a wearable device called the WHOOP Strap 3.0. This device continuously collects physiological data, including heart rate, sleep patterns, and recovery levels, to provide users with personalized recommendations on their daily activity, sleep needs, and readiness for performance. Unlike many competitors, WHOOP operates on a subscription model, where users pay a fee to access the membership, which includes the device and continuous insights through the WHOOP app. This model not only provides a steady revenue stream but also fosters a strong community among users, encouraging engagement through teams, challenges, and social features. The goal of WHOOP is to help users optimize their health and performance while minimizing injury risk.

Boston, MassachusettsHeadquarters

2012Year Founded

$393.7MTotal Funding

SERIES_FCompany Stage

Data & Analytics, HealthcareIndustries

501-1,000Employees

Benefits

Take Time Off: Time outside of the office is important for sleep, strain and recovery! Our PTO plan encourages members to take time off in order to come back refreshed.

Live a Healthy Lifestyle: Our competitive benefits package includes premium medical, dental, and vision coverage for employees and their dependents. Life and disability insurance are also available.

Feel Invested: In addition to a competitive base salary and 401k, you're eligible to receive stock options to share in the future of WHOOP. Work means more when you have personal stake. You have ownership in what we are building.

Eat Well: Keep hunger at bay with endless snacks in our fully stocked kitchen. Enjoy catered team lunches on Friday, and even a cold brew keg.

Know The Product: We want you to understand and experience the product firsthand. We offer you a WHOOP strap and membership at no cost.

Be Active: Take advantage of our office gym and on-site showers! WHOOP also offers a $500 yearly wellness perk for fitness classes and memberships.

Be Present: It’s important to be present when bringing home a new family member. Take care of your loved ones with 12 weeks paid parental leave, plus an additional 2 weeks to gradually return to work.

Love Where You Work: Sitting in the heart of Fenway, our beautiful office overlooks Fenway Park. A prime location for great food, not to mention catching a Sox game, too!

Work Hard, Play Harder: If we don't already have a club here that fits your lifestyle and interests, you're encouraged to start one. Share your passions with others at work, or discover new ones!

Risks

Increased competition from brands like Oura and Fitbit threatens market share.

Privacy concerns over data collection could lead to regulatory challenges.

Economic downturns may affect consumer willingness to pay subscription fees.

Differentiation

WHOOP offers 24/7 physiological data tracking with its WHOOP Strap 3.0.

The company provides personalized health insights for athletes and fitness enthusiasts.

WHOOP's subscription model includes a community aspect for user engagement.

Upsides

WHOOP's partnership with Cristiano Ronaldo boosts brand visibility and credibility.

Expansion into 56 markets enhances WHOOP's global presence and growth potential.

Collaborations with brands like Assos strengthen WHOOP's position in sports technology.

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