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Superpower is a health-tech platform on a mission to extend and enhance human life through better health understanding and management. The company has grown 10x in the past 6 months while halving customer acquisition cost, and is now preparing for hyper-growth. They offer an all-in-one platform combining lab testing, data aggregation, AI-powered health insights, and wellness products.
As a Mobile Engineer (iOS), you will own the quality and development of Superpower's iOS experience. This is a hands-on role where you'll shape the app's architecture, build core features, and take responsibility for the experience from development through App Store release. You'll collaborate closely with product, design, clinical, and engineering teams to build fast, intuitive experiences that help members understand their health and take action.
Key responsibilities include:
- 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 integration between Swift and React Native, including native capabilities such as 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, reusable logic, and development patterns
The tech stack includes Swift, SwiftUI, UIKit, React Native, Expo, TypeScript, HealthKit, and Expo Modules. You'll work in a small team with substantial ownership over what gets built and how.
REQUIREMENTS:
- Strong record of shipping and maintaining consumer iOS applications with clear ownership and demonstrated user impact
- Deep experience with Swift, including native app 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, Apple's frameworks, and building native modules that connect Swift with React Native
- Strong understanding of app architecture, state management, networking, testing, and App Store release processes
- Excellent product judgment and attention to interaction details, with ability to balance quality and delivery speed
- Demonstrated ability to work independently in a startup or small engineering team
- Interest in healthcare, wellness, or longevity is a strong plus
- Visa sponsorship and relocation support available for qualified candidates
