Software Engineer (Backend, Core)

• As a Software Engineer II on the Core team, you will build the foundational services that power the WHOOP App and develop features that empower members to optimize performance and longevity.
• You will play a critical role in building and scaling the foundational systems that power the WHOOP member experience for fitness, sleep, strain, recovery, and integrations
• You will partner closely with other engineers, product management, design, data science, and performance science to shape and build the polished member-facing experiences for these features
• Own the design, implementation, and delivery of backend services that power member-facing experiences, collaborating with cross-functional partners to deliver scalable, reliable solutions
• Contribute to technical planning by translating product requirements into actionable engineering work, identifying risks and dependencies, and delivering iteratively
• Improve system reliability, performance, and observability through testing, monitoring, and continuous refinement
• Contribute to shared engineering foundations through code reviews, documentation, and technical discussions that improve team effectiveness
• Support other engineers through collaboration, knowledge sharing, and constructive feedback

Benefits

• Flexible Vacation: WHOOP has a flexible vacation policy that allows you to unwind, laptop-free, when you need it most.
• Focus on Family: We offer 18 weeks paid parental leave, plus an additional 2 weeks to gradually return to work.
• Get Invested: In addition to a competitive base salary and 401k, you’re eligible to receive stock options to share in the future of WHOOP.
• WHOOP +1: Everyone on the team gets a complimentary WHOOP membership—plus another membership to share with a loved one.
• Health Matters: Our competitive benefits package covers medical, dental, and vision, in addition to mental health services, life and disability insurance, and more.
• Find Your Fit: Full-time employees get $500 a year to spend on wellness in whatever way they see fit, from fitness classes and memberships, to recovery services.
• It Pays to Sleep: Our Sleep Performance Program incentivizes employees to get more sleep. Log an average sleep performance of 85% or higher for the month and get a $100 bonus.
• Location, Location, Location: You can’t beat the views from the rooftop of One Kenmore Square. Feel inspired daily as you work, enjoy free snacks and coffee, and collaborate in the heart of Boston.- 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