Software Engineer I (Backend, Healthcare) at WHOOP

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers users to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device tracks key physiological metrics such as heart rate variability, resting heart rate, and sleep quality to provide personalized insights into users' fitness, health, and recovery.  As a Software Engineer I (Backend) in the Healthcare group, you will help build and maintain exciting features that drive real health outcomes and connect members to our powerful data science algorithms through beautiful visualizations. You will help our members understand all aspects of their health: physical, mental, emotional, hormonal and guide them in ways to take action to improve it. Healthcare works with cutting-edge technology and research in both the medical and wellness industry, ranging from launching medical devices such as ECG, to expanding into the clinical space with Advanced Labs, to developing novel measurements and insights like WHOOP Age and Menstrual Cycle Insights. RESPONSIBILITIES: • Develop and maintain backend services using Java, Kafka, Postgres, and AWS • Collaborate with cross-functional teams including product, data science, and software engineering to deliver key features • Contribute to new feature ideation, planning, and development • Write clean, testable, and maintainable code • Participate in code reviews, technical discussions, and sprint planning • Continuously learn and grow within WHOOP’s engineering environment QUALIFICATIONS: • Some experience or strong academic background in backend development (Java preferred) • Basic familiarity with RESTful APIs and relational databases (e.g., Postgres) • Interest in asynchronous processing systems (e.g., Kafka, SQS) is a plus • Strong desire to learn, grow, and contribute to a fast-paced engineering team • Effective communicator and enthusiastic team player who thrives on continuous learning and direct feedback. • Comfortable adapting and iterating in a dynamic, evolving environment. • Eager and willing to learn and grow rapidly with AI and AI tools. This posting is for an immediate new hire to our team. For those graduating in the spring of 2026 seeking entry level roles, we kindly ask that you check out this New Grad Opportunities job posting instead to be considered for roles opening at that time. Thank you. 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. 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. At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success. The U.S. base salary range for this full-time position is $105,000 - 135,000. 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. These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.