At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology and digital experiences translate complex physiological data into clear, personalized insights that help members improve their fitness, health, and recovery. The Growth Team at WHOOP is a fast-paced, experimentation-driven group focused on driving user acquisition, activation, engagement, and retention. As a Senior Software Engineer on the Growth team, you will own and drive the technical direction of our web experiences, including our join flow, checkout, and shop that directly impact conversion, revenue, and member engagement. You will lead cross-functional initiatives from technical planning through rollout, mentor engineers across the team, and shape the architecture and practices that allow Growth to move quickly and confidently at scale.