Staff iOS Engineer (Connectivity)
Core
Design and implement iOS software enabling WHOOP wearable sensors to communicate seamlessly with the mobile platform and cloud via Bluetooth Low Energy (BLE), Wi-Fi, and other protocols.
Role type
Staff iOS Engineer (Connectivity)
Builds
WHOOP mobile app connectivity layer and data synchronization services
Domain
Health tech / Wearables / Mobile connectivity
Deliverable
production ML models | product features
Required skills
Swift, iOS system APIs, concurrency, memory management, Combine, background task processing, BLE protocol design, Wi-Fi integration, distributed system debugging, architectural design, code review, testability, technical debt reduction
Preferred skills
Firmware debugging, cross-platform consistency (iOS/Android), Firebase integration, App Store release management
Technologies
Swift, Combine, BLE, Wi-Fi, Firebase
Responsibilities
Architect and implement iOS components interfacing with WHOOP hardware; define and evolve iOS software architecture and communication protocols; drive performance, power efficiency, and reliability improvements; champion software architectural principles and engineering standards; manage backlog for code health and testability; represent team in cross-functional settings; participate in release processes including build management and App Store submission
Seniority
Staff, hands-on IC with strategic influence