Backend Software Engineer (AI Experiences & AI Platform)

WHOOP

Boston, United States Posted September 11, 2026

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On-site Full-time Mid level
Salary Range

$125,000 - $175,000

Job Description

Join WHOOP, a leading performance optimization company, as a Backend Software Engineer II. In this role, you will develop and maintain member-facing features that drive meaningful health outcomes. You will collaborate with cross-functional teams, leverage technologies like Java, Kafka, AWS, and PostgreSQL, and consistently deliver high-quality code. Enjoy a flexible vacation policy, generous parental leave, stock options, complimentary WHOOP membership, and a competitive benefits package.

  • Collaborer avec une équipe interfonctionnelle pour recueillir les exigences techniques et livrer des infrastructures et des outils impactants.
  • Utiliser Java, Kafka, AWS et PostgreSQL pour fournir des solutions logicielles évolutives et fiables.
  • Développer et maintenir des systèmes d'observabilité et de surveillance pour garantir la stabilité et la fiabilité des fonctionnalités déployées.
  • Experience in backend development, working on large-scale software systems and RESTful API design
  • 2-4 years of backend software development experience, ideally in languages like Java
  • Strong independent problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment
  • Experience in relational database design and development (PostgreSQL)
  • A proactive, collaborative team player, eager to take on new challenges, continuously learn, and adapt in a fast-paced, data-informed environment
  • Excellent communication skills and a commitment to delivering high-quality work
  • Familiarity with asynchronous processing systems (Kafka, SQS)
  • Experience with scalable system design and performance optimization
  • 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
Required Skills
software development performance optimization collaboration cross-functional collaboration Java Kafka Amazon Web Services PostgreSQL REST API problem solving communication Amazon SQS system design
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