WHOOP

Software Engineer I (Frontend, Growth)

WHOOP • $90K — $120K *
Boston, MA 02115In-Person
Information Technology
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Professional experience in frontend software development, including internships or academic projects.
  • Proficient in modern JavaScript/TypeScript and frameworks like React.
  • Strong understanding of HTML, CSS, and responsive design principles.
  • Familiarity with RESTful API integration for frontend applications.
  • Experience with version control systems such as Git.
  • Excellent problem-solving ability and a willingness to thrive in a fast-paced environment.
  • Effective communication skills and a collaborative approach to teamwork.
  • Bonus: Experience with A/B testing frameworks or growth-focused engineering projects.

Responsibilities

  • Develop and maintain high-quality frontend applications for WHOOP's web platforms.
  • Collaborate with Product, Design, and Analytics to execute and analyze experiments (A/B tests).
  • Write clean, maintainable code using modern JavaScript frameworks and industry best practices.
  • Integrate frontend applications with RESTful APIs for smooth user experiences.
  • Translate feature requirements into actionable tasks and address risks promptly.
  • Enhance application performance, accessibility, and usability across devices and browsers.
  • Engage in code reviews and technical discussions to refine skills and practices.
Full Job Description
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

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

About WHOOP

WHOOP is a wearable technology company that specializes in fitness tracking. The company was founded in 2012 and is based in Boston, Massachusetts. WHOOP's flagship product is a wristband that tracks various metrics related to fitness and health, such as heart rate variability, sleep quality, and recovery time. The company also offers a subscription service that provides personalized insights and recommendations based on the data collected by the wristband. WHOOP has raised over $200 million in funding and has partnerships with several professional sports leagues and teams.
Learn more about WHOOP
Size
500 employees
Industry
Consumer Technology
Founded
2011
* Ladders Estimates

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