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Software Engineer II (Backend, Growth)

Whoop

Salary not specified
Jun 10, 2025
Boston, MA, US
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The company is looking to drive user acquisition, activation, and retention through data-driven approaches and experimentation.

Requirements

  • Professional backend engineering experience in a production environment
  • Proficiency in building APIs and working with relational databases (e.g., RESTful APIs, Postgres)
  • Experience with event-driven systems and asynchronous processing tools such as Kafka or SQS
  • Skilled in writing comprehensive tests and clear documentation
  • Experience with Java, Kafka, Postgres, and AWS
  • Experience with A/B testing frameworks or growth-focused engineering initiatives (bonus)
  • Experience with scalable and reliable backend services

Responsibilities

  • Collaborate closely with cross-functional teammates to build, measure, and iterate on high-leverage mobile experiences
  • Build, maintain, and optimize APIs and infrastructure supporting acquisition funnels, e-commerce experiences, and membership growth experiments
  • Write well-tested, maintainable code using technologies such as Java, Kafka, Postgres, and AWS
  • Break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments
  • Contribute to backend architecture discussions and implementation of scalable, high-availability services
  • Work with data scientists and analytics engineers to support experimentation and measure performance
  • Participate in code reviews and collaborate on best practices with engineering peers

Other

  • Collaborate closely with product managers, designers, and fellow engineers
  • Work cross-functionally and communicate clearly with technical and non-technical stakeholders
  • A growth mindset and eagerness to learn from feedback and new challenges
  • Relocation to Boston, MA office if necessary
  • Participate in code reviews and collaborate on best practices with engineering peers