Mobile Engineer (iOS/React Native) – Health App

Superpower

San Francisco (CA)

On-site

USD 140,000 - 180,000

Full time

9 hours ago
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Job summary

Superpower is seeking a Mobile Engineer to own the quality and development of our iOS experience. You will collaborate with product, design, and engineering to build fast, intuitive experiences that help members understand their health and take action.

You will work across Swift, SwiftUI, UIKit, React Native, Expo, and TypeScript, shaping our mobile architecture, building native integrations, and delivering apps from development to App Store release.

Qualifications

  • Shipping and maintaining consumer iOS applications with clear ownership and impact on users.
  • Deep experience with Swift, including native architecture, concurrency, memory management, production debugging, and performance optimization.
  • Deep experience with React Native, Expo, and TypeScript, including app architecture, state management, production debugging, and performance optimization.
  • Strong experience with SwiftUI and UIKit, building native modules that connect Swift with React Native.
  • Strong understanding of app architecture, state management, networking, testing, and App Store release processes.
  • Interest in healthcare, wellness, or longevity is a strong plus.

Responsibilities

  • Design and build mobile experiences in Swift and React Native for health results, biomarker data, chat, and core member journeys.
  • Collaborate with product, design, and clinical teams to make complex health information clear and useful.
  • Own mobile architecture, reusable components, and the integration between Swift and React Native, including HealthKit, authentication, notifications, and media access.
  • Improve app performance, navigation, accessibility, and reliability across devices and network conditions.
  • Own testing, observability, release tooling, and App Store delivery, with careful handling of sensitive health information.
  • Work with web and backend engineers on shared data contracts and development patterns to ship across platforms.

Skills

Swift
SwiftUI
UIKit
React Native
Expo
TypeScript
App architecture
Performance optimization
State management
HealthKit
Notifications
Native integration
Testing
Observability
Release tooling
App Store delivery

Tools

Xcode
Expo Modules
React Native WebView
Figma
Linear
Notion
Slack

Job description

Superpower is seeking a Mobile Engineer to own the quality and development of our iOS experience. You will collaborate with product, design, and engineering to build fast, intuitive experiences that help members understand their health and take action.

You will work across Swift, SwiftUI, UIKit, React Native, Expo, and TypeScript, shaping our mobile architecture, building native integrations, and delivering apps from development to App Store release.

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