Senior iOS Engineer — AI Health Insights & Widgets, Hybrid

Weight Watchers; Canada; Hybrid; CAD 160,000 - 200,000; Full time

Benefits offered by this job

Hybrid work environment

Comprehensive benefits package

Annual bonus program

Job summary

Weight Watchers is seeking a senior iOS engineer to drive development of the WeightWatchers iOS app. You will implement native features, emphasize AI-driven health insights, and ensure premium UI/UX using the latest Apple frameworks.

You will collaborate with Product, Design, Data, and Behavioral Science to support habit formation and GLP-1 initiatives. The role requires deep expertise in Swift and SwiftUI, MVVM and modern architecture, with a focus on performance and maintainability.

Qualifications

• 12-15+ years of professional iOS development experience.
• 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, CI/CD pipelines (Fastlane/GitHub Actions), and feature flagging.
• Strong communication skills and ability to mentor junior engineers.

Responsibilities

• Build and evolve native features of the iOS app, including AI-driven insights.
• Deliver premium UI/UX using modern Apple frameworks.
• Collaborate with Product, Design, Data, and Behavioral Science teams.

Skills

Swift

SwiftUI

Combine

MVVM

Tools

XCTest

Fastlane

GitHub Actions

Feature flags

Job description

Weight Watchers is seeking a senior iOS engineer to drive development of the WeightWatchers iOS app. You will implement native features, emphasize AI-driven health insights, and ensure premium UI/UX using the latest Apple frameworks.

You will collaborate with Product, Design, Data, and Behavioral Science to support habit formation and GLP-1 initiatives. The role requires deep expertise in Swift and SwiftUI, MVVM and modern architecture, with a focus on performance and maintainability.