# Software Engineer I (Frontend, Growth)

**Company:** [WHOOP](https://hotfix.jobs/companies/whoop)
**Location:** Boston, MA
**Role:** Frontend Engineering
**Experience:** 0+ years
**Skills:** React, JavaScript, TypeScript, HTML, CSS, REST APIs, Git, A/B Testing
**Posted:** 2026-03-16

> 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.

## 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

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**Canonical:** https://hotfix.jobs/jobs/576a1d2d-e8fb-4591-9ce8-519cb1688985