Software Engineer II (Backend, Growth)

WhoopLocation not specifiedPosted May 28, 2026

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About this role

RESPONSIBILITIES: Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services. Build, maintain, and optimize APIs and infrastructure supporting our 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 that support millions of users. Work with data scientists and analytics engineers to support experimentation and measure performance. Participate in code reviews and collaborate on best practices with your engineering peers. QUALIFICATIONS: 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. Demonstrated ability to work cross-functionally and communicate clearly with technical and non-technical stakeholders. A growth mindset and eagerness to learn from feedback and new challenges. Bonus: Experience with A/B testing frameworks or growth-focused engineering initiatives.

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