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Weight Watchers

Group-based weight loss program with meetings

Senior iOS Engineer

Mobile EngineeringConfirmed live in the last 24 hours
Full-timeRemote in USA

About the Job

Requirements

  • Deep experience in iOS development using Swift, with a solid grasp of SwiftUI, Combine or Swift Concurrency, and MVVM or Clean Architecture.
  • At least 12 years of professional iOS development experience; the posting states 12–15+ years.
  • Expertise in Swift and modern Apple frameworks such as SwiftUI and Core Data.
  • Deep knowledge of the iOS SDK, app lifecycle, and memory management.
  • Familiarity with native tooling, including XCTest for unit and UI testing, CI/CD pipelines such as Fastlane or GitHub Actions, and feature flagging.
  • Ability to mentor junior engineers and articulate technical decisions.
  • Strong communication skills and ability to explain technical trade-offs to non-technical partners.

Responsibilities

  • Build and evolve native features of the WeightWatchers iOS app, including food tracking, activity logging, weight trends, and AI-driven health insights.
  • Deliver premium UI/UX using modern Apple frameworks to keep the app fast, fluid, and intuitive.
  • Collaborate with Product, Design, Data, and Behavioral Science teams to deliver features supporting daily habit formation and medical weight-loss journeys, including GLP-1 Med+ initiatives.
  • Own implementation of flagship initiatives, including Lock Screen Widgets, Live Activities, and health data integrations.
  • Shape architectural decisions and technical standards for a robust, modular, and testable iOS codebase.
  • Operate autonomously, question assumptions, contribute ideas, and champion product quality and performance.

Desired Qualifications

  • Experience working with HealthKit or behavior-change-driven apps.

About the Company

Weight Watchers

Group-based weight loss program with meetings

Weight Watchers runs a weight management program centered on group support and accountability. Members join meetings for guidance, share tips, and track progress as part of a community that helps people manage eating and activity habits rather than promoting a single diet. The program typically involves paying a weekly or regular fee for in-person or virtual meetings, plus related products and materials that support behavior change. It differentiates itself from competitors by emphasizing a social, ongoing support system and a structured points-based approach to eating that members follow within a community framework, rather than relying on short-term diet plans. The company’s goal is to help people achieve healthier weight and lifestyles through long-term, sustainable changes supported by a network of peers and coaches.

Company size
5,001-10,000
Company stage
IPO
Headquarters
New York City, New York
Founded
1963

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