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WHOOP

Senior Software Engineer (Backend, Coaching)

Boston, MA
API Java AWS PostgreSQL SQL
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Description
At WHOOP, we're on a mission to unlock human performance. We empower our members—including Olympians, professional athletes, and fitness enthusiasts—to perform at their best through a deeper understanding of their bodies and daily lives. We’re looking to grow our team with highly motivated and skilled engineers who are excited to help scale our platform and elevate our proven system to the next level.

About the Coaching Team
The Coaching Team is responsible for delivering the end-to-end coaching experience at WHOOP. This includes identifying member goals, developing a deep understanding of each user, building our generative AI-driven features, and offering personalized daily recommendations to improve health and performance. Our work is deeply data-driven—we continuously measure the impact of our features and iterate quickly based on performance insights.

About the Role
 As a Senior Software Engineer on the Coaching Team, you will help architect and implement large language model (LLM)-powered coaching features that integrate seamlessly across the entire WHOOP ecosystem. You’ll be instrumental in shaping a cohesive, intelligent coaching experience for our members. Success in this role will require strong backend engineering expertise, particularly in API design and system integration.

RESPONSIBILITIES:

  • Help execute WHOOP's vision to build/scale a unified interactive coaching platform that allows members to progress towards their health goals
  • Contribute to backend development: Java, AWS and Postgres
  • Work collaboratively with a product and technical vision
  • Build software that will solve the needs of multiple cross-functional teams
  • Consistently deliver features and PRs with an iterative approach
  • Develop necessary observability and evaluations for stability of our AI systems
  • Mentor other developers while establishing best practices in our web stack
  • Work with Product and Marketing teams to gather technical requirements
  • Contribute to internal tooling development to support our AI Coach

QUALIFICATIONS:

  • 4+ years of professional experience working on large scale software systems
  • Experience in API design and development (Java preferred)
  • Experience in relational database design and development (SQL)
  • Experience productionalizing products built on top of LLMs
  • Strong skills translating design specifications into fully functional applications
  • Positive attitude and ownership mentality
  • Strong communication skills to work both collaboratively and independently
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.
WHOOP
WHOOP
Analytics Fitness Sports Wearables Wellness

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