Opportunity is here


Staff Software Engineer (Backend, Core App)



Software Engineering
Boston, MA, USA
Posted on Monday, March 11, 2024
At WHOOP, our mission is to unlock human performance by empowering individuals with a deeper understanding of their bodies and daily lives. Our cutting-edge wearable technology monitors vital physiological metrics to offer personalized insights, enhancing fitness, health, and recovery. The CoreApp group, pivotal in crafting the WHOOP app's Home Screen ensures a compelling first impression of our offerings. This group also develops essential components that enrich our members' experience with consistency and personalization.
As a Staff Software Engineer, Backend in the Core App team, you will play a crucial role in architecting, developing, and optimizing the backend infrastructure that underpins our flagship features. Your expertise will support cross-functional collaborations, enabling tailored coaching and dynamic engagement for our members.
This role is designed for a visionary backend engineer who is passionate about building scalable systems, eager to tackle high-impact challenges, and committed to delivering user-centric solutions that resonate with our members' needs.


  • Lead backend engineering efforts within a cross-functional team, collaborating with designers, product managers, and other engineers to refine and advance the WHOOP platform
  • Architect, develop, and maintain robust backend services using Java, Kafka, Postgres, and other AWS technologies, ensuring scalability, high availability, and seamless user experiences
  • Drive the ideation, technical design, and implementation of new features, transforming complex requirements into reliable, scalable solutions
  • Tackle sophisticated scaling issues, considering multiple systems and ensuring the platform's reliability and performance
  • Mentor junior engineers, fostering a culture of technical excellence, continuous improvement, and collaborative innovation


  • Demonstrated ability to interface with multiple product domains, particularly in developing backend solutions for dynamic and content-rich home screens akin to leading web or mobile portals, ensuring a seamless, engaging, and responsive user experience
  • Deep expertise in backend development, with a strong foundation in object-oriented programming, API design, and relational databases (RESTful APIs, Postgres)
  • Proven experience in managing asynchronous processing systems (Kafka, SQS) and in developing solutions that meet high standards of scalability and reliability
  • Skilled in writing comprehensive tests and creating clear, maintainable documentation that supports a range of technical stakeholders
  • A strategic problem-solver who approaches significant challenges incrementally, guided by data-driven insights and a commitment to agile, iterative development
  • A proactive, collaborative team player, eager to take on new challenges, continuously learn, and adapt in a fast-paced, data-informed environment
Find out more about us: "WHOOP Software Principles"
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.