Inactive
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Whoop

Makes screenless trackers for sleep and recovery

Software Engineer 1 - Frontend, Growth

Frontend EngineeringPosted on Mar 16
Full-timeBoston, MA, USANo salary listedIn-person

About the Job

Requirements

  • Professional experience in frontend software development (internship, co-op, or academic project experience acceptable)
  • Experience building web applications using modern JavaScript/TypeScript and frameworks such as React
  • Understanding of core web technologies including HTML, CSS, and responsive design principles
  • Familiarity with integrating frontend applications with RESTful APIs
  • Experience using version control systems such as Git
  • Strong problem-solving skills and an eagerness to learn in a fast-paced, experiment-driven environment
  • Clear communication skills and a collaborative mindset when working with cross-functional partners

Responsibilities

  • Contribute to the development and maintenance of responsive, high-quality frontend applications that power WHOOP’s web experiences
  • Partner with Product, Design, and Analytics to implement experiments (A/B tests) and iterate quickly based on measurable results
  • Write clean, maintainable, and well-tested code using modern JavaScript frameworks (e.g., React) and industry best practices
  • Integrate frontend applications with RESTful APIs and backend services to deliver seamless, performant user experiences
  • Break down feature requirements into actionable tasks, identify risks early, and iterate quickly to deliver value to members
  • Monitor and improve application performance, accessibility, and usability across devices and browsers
  • Participate in code reviews and technical discussions, proactively seeking feedback and continuously improving your craft

Desired Qualifications

  • Bonus: Experience with A/B testing frameworks or growth-focused engineering initiatives

About the Company

Whoop

Makes screenless trackers for sleep and recovery

Whoop makes a screenless wristband that tracks sleep, exercise strain, and recovery around the clock, and it sells the band to athletes and everyday users only as part of a membership. In 2020, the PGA Tour gave Whoop straps to players and caddies after one golfer's data flagged his COVID-19 infection before he had symptoms. The band records heart rate, the variation between beats, skin temperature, and blood oxygen, and the app turns those readings into daily scores and advice on when to push or rest. Members pay a yearly fee that covers the band, with pricier tiers adding heart-rhythm and blood pressure readings, and Whoop also sells blood tests. Whoop was founded in 2012 at Harvard's startup lab and is based in Boston.

Company size
1,001-5,000
Company stage
Series G
Total funding
$979.8M
Headquarters
Boston, MA
Founded
2012

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