Staff iOS Engineer

About the role

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.

Responsibilities

• 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.

Qualifications

• 12-15+ years 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.

Pay

US Pay Range: $185,000 - $275,000 USD