Mobile-Focused Full Stack Developer
Core
Building a smartwatch-first performance analytics platform for elite strength and conditioning coaches, turning raw training data from mobile phones and wearables into real-time insights.
Role type
Mobile-focused full stack developer (React Native, iOS, Android, Wearables)
Builds
Mobile and wearable applications for iPhone, iPad, Android, Apple Watch, and WearOS
Domain
FitTech / Sports Performance Analytics
Deliverable
production ML models | product features
Required skills
React Native, JavaScript/TypeScript, iOS/Android mobile development, Mobile UI implementation, REST API integration, Git, Software product shipping
Preferred skills
Wearable app workflows, App Store/Google Play preparation, Mobile UI/UX implementation, Java/Spring Boot API integration
Technologies
React Native, JavaScript, TypeScript, iOS, Android, watchOS, WearOS, Java, Spring Boot
Responsibilities
Develop iPhone/iPad and Android applications, Implement Apple Watch/WearOS functionality, Build mobile-to-watch workflows, Integrate with backend APIs, Display sensor data and manage interaction flows, Prepare apps for App Store/Google Play release
Seniority
Early-stage startup / technical founding team contributor