Software Engineer I (Frontend, Growth)

WHOOP
WHOOP

Software Engineering, Sales & Business Development

Boston, MA, USA

USD 105k-145k / year + Equity

Posted on Mar 17, 2026

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