# Software Engineer II \(Backend, Growth\) - Company: [Whoop]() - Location: Boston, MA - Team: Software - Employment type: Full Time - Posted: May 28, 2026 ## Job description **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. ## Apply [Apply on Whoop]() Canonical job page: