Senior Software Engineer (Fullstack, AI Platform)

Responsibilities

• Work in a cross-functional team alongside product managers, designers, and data scientists to deliver end-to-end features
• Design, develop, and maintain scalable front-end and back-end systems using modern frameworks and cloud technologies
• Design and build intuitive user interfaces and integrate them with robust backend APIs to deliver seamless member experiences
• Contribute to feature ideation, technical design, and implementation, translating business requirements into scalable solutions
• Write clean, maintainable, and well-tested code, following best practices for performance, security, and reliability
• Monitor, debug, and resolve production issues while continuously improving system performance and stability

Requirements

• 2-5 years of professional software development experience
• Experience building and maintaining high-quality, performant web applications using Next.js, React, and Tailwind CSS
• Experience designing and developing APIs (RESTful services preferred)
• Experience building solutions leveraging Large Language Models
• Strong problem-solving skills and ability to break down complex problems into manageable solutions
• Ability to collaborate effectively with cross-functional teams in a fast-paced environment
• A growth mindset with a strong desire to learn, iterate, and improve continuously
• 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.
• The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.
• The U.S. base salary range for this full-time position is $150,000 - $215,000. 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.

Benefits

Additional Information

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 software platform provide personalized insights that help individuals optimize their health, fitness, and recovery. As a Senior Software Engineer on the AI team, you will play a key role in building and scaling the systems that power WHOOP AI's internal and member-facing experiences. You will work across the stack to deliver high-quality features, contribute to agent orchestration system architecture, and collaborate with cross-functional partners to create seamless and impactful user experiences. This role is ideal for an engineer who is passionate about building reliable, scalable applications and thrives in a fast-paced, collaborative environment.

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