Software Engineer II (Full Stack, Growth)

About the role

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. The Growth team is responsible for accelerating member acquisition, activation, engagement, and retention through rapid experimentation and thoughtful product development. As a Software Engineer II (Full Stack), you will build and maintain the experiences and services that power WHOOP's growth initiatives, working across the frontend and backend to deliver high-impact features that directly influence member and business outcomes. You'll collaborate closely with Product, Design, and fellow engineers in a fast-paced, experiment-driven environment where iteration, measurement, and continuous improvement are core to how we build.

Responsibilities

• Work within a cross-functional team of product managers, designers, and fellow engineers to design, build, and ship full stack features that improve member acquisition, onboarding, engagement, and retention.
• Develop and maintain frontend applications using modern web technologies
• Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership growth experiments.
• Break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments.
• Monitor application performance, troubleshoot production issues, and continuously improve the reliability, quality, and maintainability of the platform.
• Participate in code reviews and collaborate on best practices with your engineering peers

Qualifications

• 2–4 years of professional software engineering experience building production web applications.
• Proficiency in web development using JavaScript/TypeScript, and React
• Experience designing and integrating RESTful APIs
• Experience with relational databases such as PostgreSQL
• Strong problem-solving skills with a passion for building high-quality, user-focused products in an iterative, data-driven environment.
• Excellent communication and collaboration skills, with the ability to work effectively across engineering, product, and design teams.
• A growth mindset and eagerness to learn from feedback and new challenges.

Pay

The U.S. base salary range for this full-time position is $125,000 - $175,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training. In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.