
Software Engineer II (Backend, Growth)
WHOOP
Job description
Responsibilities
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Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services.
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Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership growth experiments.
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Write well-tested, maintainable code using technologies such as Java, Kafka, Postgres, and AWS.
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Break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments.
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Contribute to backend architecture discussions and implementation of scalable, high-availability services that support millions of users.
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Work with data scientists and analytics engineers to support experimentation and measure performance.
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Participate in code reviews and collaborate on best practices with your engineering peers.
Qualifications
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Professional backend engineering experience in a production environment.
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Proficiency in building APIs and working with relational databases (e.g., RESTful APIs, Postgres).
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Experience with event-driven systems and asynchronous processing tools such as Kafka or SQS.
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Skilled in writing comprehensive tests and clear documentation.
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Demonstrated ability to work cross-functionally and communicate clearly with technical and non-technical stakeholders.
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A growth mindset and eagerness to learn from feedback and new challenges.
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Bonus: Experience with A/B testing frameworks or growth-focused engineering initiatives.