Apple Health is seeking a senior iOS and watchOS application developer to join their team in creating innovative health features that impact millions of users daily. The role focuses on developing health-related features like Cycle Tracking, AFib History, Hearing Health, Mental Health, and Cardio Fitness. As a senior engineer, you'll be responsible for implementing new health features, prototyping innovative solutions, and collaborating with cross-functional teams including design. The position offers a competitive base salary range of $143,100-$264,200, comprehensive benefits, and equity opportunities through stock programs. The ideal candidate should have 3+ years of iOS development experience, strong expertise in Swift and Objective-C, and a passion for creating health-focused technology solutions. This is an opportunity to work on meaningful products that directly improve people's health and wellbeing while being part of Apple's renowned engineering team. The role combines technical excellence with health innovation, requiring both strong programming skills and an understanding of wellness concepts.