Mobile Product Systems & Integrations Engineer
Core
Building product systems and integrations for an AI voice coach strength training app and magnetic wearable to ensure reliability for millions of users.
Role type
Senior IC mobile product systems engineer
Builds
Mobile app, wearable device integrations, backend services, and AI/voice features
Domain
Consumer fitness technology, AI/LLM, IoT wearables
Required skills
React Native/Expo, TypeScript, Firebase (Auth, Firestore, Cloud Functions), system design, API integration, observability, AI/LLM integration
Preferred skills
BLE/sensor integration, native iOS/Android debugging, voice agents, payments, HealthKit, startup experience
Technologies
Firebase, Firestore, Cloud Functions, React Native, Expo, TypeScript, LLMs, AI agents
Responsibilities
Designing and implementing data contracts and state management across mobile, wearable, and backend; integrating external services like payments and AI features; building observability and release tooling; debugging real-world behavior of connected products; hardening session persistence and reliability flows.
Seniority
Senior, hands-on IC