Software Engineer II (Backend, Enterprise)

country: US all locations: [Boston, MA] commitment: department: location: Boston, MA team: Software RESPONSIBILITIES:: 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 QUALIFICATIONS:: 2+ 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