Software Engineer II (Frontend, Growth)

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.

WHOOP is seeking a Software Engineer II to play a pivotal role in building and enhancing user-facing features on WHOOP.com and other web properties. You’ll work closely with product, design, and backend engineering teams to deliver seamless, high-performance experiences that empower our members to achieve their goals. This role is ideal for a candidate with strong front-end web development experience, who is passionate about creating beautiful, functional, and accessible interfaces, with a keen eye for detail and a strong commitment to delivering value.

RESPONSIBILITIES:

• Collaborate with cross-functional teams to design, build, and maintain scalable front-end features for WHOOP’s web applications.
• Write clean, efficient, and reusable code using modern JavaScript frameworks and libraries like React, Next.js, or similar.
• Optimize applications for maximum speed, responsiveness, and accessibility.
• Participate in code reviews, providing constructive feedback to peers while adhering to best practices and team standards.
• Work with product and design teams to translate wireframes and user stories into high-quality, interactive experiences.
• Stay up-to-date with emerging trends and technologies to inform development decisions and improve processes.

QUALIFICATIONS:

• Experience in front-end software development.
• Proficiency in modern front-end frameworks and libraries (e.g., React, Next.js, or similar).
• Strong knowledge of HTML, CSS, JavaScript (ES6+), and responsive design principles.
• Experience working with RESTful APIs or GraphQL to connect front-end interfaces with backend services.
• Familiarity with performance optimization techniques, accessibility standards (WCAG), and cross-browser compatibility.
• Comfortable working in an Agile/Scrum environment, using tools like Jira and Git.
• Strong problem-solving skills and ability to work collaboratively in a team setting.
• Bonus: Experience with TypeScript, testing frameworks (e.g., Jest, Cypress), or native mobile app development.

Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework.

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility.  It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.