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WeightWatchers is a global digital health company.  WeightWatchers is a global digital health company and the world’s #1 doctor-recommended, clinically studied behavioral weight health program. For sixty years, we have led the industry by blending science and community to help millions of people build sustainable healthy habits. As the science of weight health rapidly evolves, so does WeightWatchers. We are redefining the category by developing new clinical pathways for GLP-1 medication access , creating specialized behavioral programs for members on weight-loss medications, and integrating medical care with our proven habit-change framework. By combining these clinical breakthroughs with our digital-first community, we are uniquely positioned to lead the future of weight health care. Who We Are At WeightWatchers, our Engineering Team drives transformative change by leveraging technology to redefine how millions approach weight health and wellness. The team builds digital solutions that establish personalized connections and foster inclusive virtual communities, empowering members to adopt healthier habits and achieve lasting lifestyle changes. From pioneering a comprehensive telehealth platform, optimizing medication access, diving headfirst into exciting AI integrations we lead with data-driven innovations that revolutionize healthcare outcomes. Our culture thrives on urgency, collaboration, and a passion for impactful work that directly improves the lives of our members. What You’ll Do As a critical member of the Mobile Product Engineering team, you will: Build and evolve key native features of the WeightWatchers iOS app that support members in their health journeys: food tracking, activity logging, weight trends, and our new AI-driven health insights . Deliver premium UI/UX using modern Apple frameworks to ensure the app feels fast, fluid, and intuitive. Collaborate closely with Product, Design, Data, and Behavioral Science teams to deliver features that support daily habit formation and medical weight-loss journeys (including our GLP-1 Med+ initiatives). Own the implementation of upcoming flagship initiatives, including Lock Screen Widgets , Live Activities , and health data integrations. Shape the architectural decisions and technical standards for our iOS application, ensuring a robust, modular, and testable codebase. Operate with high autonomy and influence: proactively question assumptions, bring new ideas, and champion product quality and performance. Who You Are Native iOS Expert: Deep experience in iOS development with Swift , with a solid grasp of SwiftUI , Combine (or Swift Concurrency), and MVVM/Clean Architecture. Product-Minded Engineer: A passion for mobile product engineering—especially around improving member experience, usability, and long-term engagement. Apple Ecosystem Enthusiast: Someone who keeps up with the latest WWDC updates and understands how to leverage the latest iOS capabilities to delight users. Collaborative Partner: Comfortable operating in a fast-paced environment with cross-functional stakeholders, capable of explaining technical trade-offs to non-technical partners. Bonus: Experience working with HealthKit or behavior-change-driven apps. Qualifications 12-15+  of experience in professional iOS development. Expertise in Swift and modern Apple frameworks ( SwiftUI , Core Data, etc.). Deep knowledge of the iOS SDK, app lifecycle, and memory management. Familiarity with native tooling , including XCTest for unit/UI testing, CI/CD pipelines (Fastlane/GitHub Actions), and feature flagging. Strong communication skills and the ability to mentor junior engineers while articulating technical decisions. Base salary may vary depending on, but not limited to: skills, experience, and location.  This role is also eligible for a comprehensive benefits package and annual bonus program