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WHOOPWHOOPBoston, MA

Software Engineer II (Backend, Enterprise)

Backend-focused Software Engineer II building and owning core Enterprise APIs, authentication, and services on AWS with Java and PostgreSQL. Requires 2+ years experience in production backend systems and strong system design skills.

Salary not listed
On-site2+ YOEBackend Engineering

About the role

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

Requirements

  • 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

Skills

JavaREST APIsPostgresAWSReactSystem DesignAuthenticationObservability
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