Whoop - Senior Software Engineer (Frontend, Growth)

• 5+ years of professional experience in frontend software engineering, with deep expertise inTypeScript, React, and modern web frameworks (Next.js strongly preferred) • Track record of owning and delivering complex, cross-functional web projects from technical design through production rollout • Strong understanding of web performance optimization, edge computing (e.g., Cloudflare Workers), and responsive design at scale • Experience integrating frontend applications with payment systems (Stripe preferred), RESTful APIs, and third-party platforms • Demonstrated ability to design and run meaningful A/B tests and make data-informed decisions in a growth or product engineering context • Experience with observability and monitoring tools (e.g., Datadog, Sentry, Amplitude) to proactively identify and resolve production issues • Proven ability to mentor engineers, lead technical discussions, and influence engineering practices across a team • Excellent written and verbal communication skills; comfortable operating in an async-first, cross-functional environment • Bonus: Experience with ecommerce platforms (CommerceTools), feature flag / experimentation infrastructure, or subscription/membership business models • 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.