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WHOOPWHOOPBoston, MA

Software Engineer I (Frontend, Growth)

Builds and optimizes responsive frontend web applications using React and modern JS for user acquisition, engagement, and retention. Collaborates on A/B experiments with product and design teams in a fast-paced growth environment; entry-level with professional or project experience required.

Salary not listed
On-siteEntry levelFrontend Engineering

About the role

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

Skills

ReactJavaScriptTypeScriptHTMLCSSREST APIsGitA/B Testing

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