Senior Enterprise Backend Engineer - APIs & Platform

Requirements

• 4+ years of professional software engineering experience, with a strong foundation in backend development
,
• Experience building and owning production backend systems and RESTful APIs (Java preferred)
,
• Familiarity with authentication, authorization, and identity or account management concepts
,
• Experience working with relational databases such as PostgreSQL
,
• Experience designing and operating services in cloud environments (AWS)
,
• Comfort working across the stack, including contributing to web applications leveraging AI tools (e.g., React), even if backend is your primary strength
,
• Strong system design skills, with experience building scalable, reliable, and maintainable software
,
• Ability to operate effectively in fast-paced, high-ambiguity environments with minimal product process
,
• Strong independent problem-solving skills and a sense of ownership over outcomes
,
• Clear communicator who collaborates well across disciplines and can articulate technical tradeoffs
,
• Builder mindset with interest in helping shape and scale a platform and team over time
,
• 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 Enterprise is entering a new phase of growth and reinvestment. We’re looking for a Senior Software Engineer to play a critical role in evolving the Enterprise platform; building core systems, shaping technical direction, and laying the foundation for a scalable enterprise product
,
• This is a high-ownership role with meaningful autonomy. You’ll operate in a product-ambiguous environment, help define what “great” looks like, and partner closely with design, stakeholders, and leadership as the platform takes its next step forward
,
• Own and evolve foundational systems for WHOOP Enterprise, starting with Enterprise APIs, authentication, and account management
,
• Design, build, and maintain backend services and APIs that support enterprise use cases and external integrations
,
• Collaborate closely with design, analytics, and engineering partners to translate ambiguous product needs into scalable technical solutions
,
• Define and influence technical direction, system architecture, and implementation standards for the Enterprise platform
,
• Build systems with a strong emphasis on security, privacy, reliability, and correctness, appropriate for enterprise customers
,
• Develop and maintain observability, monitoring, and operational practices to ensure system stability
,
• Consistently deliver high-quality, well-tested code following best practices in software design and development
,
• Help establish engineering foundations that scale, including documentation, patterns, and mentorship as the team grows