Fullstack Software Engineer (Business Systems)

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 Fullstack Software Engineer. In this role, you will design, build, and maintain internal tools and integrations that power our business operations. You will work cross-functionally with teams across WHOOP to ensure that our systems are scalable, reliable, and efficient. You will also interface with critical business systems, contribute to the design and implementation of APIs, data pipelines, and automation, and collaborate with other engineers to improve engineering processes.

  • Concevoir, construire et maintenir des outils internes et des intégrations qui soutiennent les opérations commerciales.
  • Collaborer avec des équipes interfonctionnelles pour garantir que nos systèmes sont évolutifs, fiables et efficaces.
  • Développer, tester et déployer des solutions logicielles évolutives qui soutiennent les opérations internes, y compris les intégrations entre les applications et les services commerciaux.
  • Strong problem-solving skills and ability to translate business needs into technical solutions
  • Proficiency in at least one modern programming language (e.g., Python, Java, JavaScript/TypeScript)
  • Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions
  • Experience in relational database design, data modeling, and query optimization
  • BS in Computer Science, Engineering, or equivalent experience
  • Experience developing large scale, production-quality web applications
  • Experience in API design, integrations, or middleware in a business systems environment
  • Excellent communication and collaboration skills, with an eagerness to work cross-functionally
  • 2–4 years of professional software development experience
  • Thrives with autonomy, with a positive attitude and ownership mentality
  • 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 business operations collaboration problem solving Python Java JavaScript TypeScript data architecture communication
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