Software Engineer (Backend, Core)

Join WHOOP, a leading performance optimization company, as a Software Engineer II on the Core team. In this role, you will build and scale the foundational systems that power the WHOOP member experience, collaborating closely with cross-functional partners. You will own the design, implementation, and delivery of backend services, contribute to technical planning, and improve system reliability and performance. Enjoy a flexible vacation policy, paid parental leave, stock options, complimentary WHOOP membership, and a competitive benefits package.

• Conception, implementation, and delivery of backend services that power member-facing experiences.
• Collaboration with cross-functional partners to deliver scalable, reliable solutions.
• Contribution to technical planning by translating product requirements into actionable engineering work.

• Experience working with cloud platforms and asynchronous systems such as Kafka or SQS
• Growth mindset with a desire to learn, iterate, and continuously improve
• Experience designing, testing, and maintaining reliable, scalable backend services
• Demonstrated ability to independently deliver production-quality software while collaborating effectively across engineering, product, and design
• Enthusiasm in leveraging AI tools while maintaining high standards for quality and engineering excellence
• Strong collaboration and communication skills with cross-functional partners
• Bonus: Experience contributing to mobile applications or shared platform services
• Strong proficiency with backend development, including Java, RESTful APIs, and relational databases such as Postgres
• Understanding of distributed systems, observability, and performance optimization