WHOOP is seeking an iOS Engineer II for its Healthcare team. This role involves building and maintaining features that use data science algorithms to provide personalized health insights to users. The engineer will contribute to understanding various aspects of user health, including physical, mental, emotional, and hormonal well-being. The work involves cutting-edge technology in the medical and wellness industry, such as ECG devices and clinical expansion with Advanced Labs. Responsibilities include collaborating with cross-functional teams, developing and maintaining product features using Swift, communicating with a RESTful backend, documenting new features, contributing to ideation and planning, analyzing user metrics, participating in the release process, and self-organizing with tools like Jira, Confluence, and Github.