Whoop
Senior iOS Engineer (Connectivity)
$150K–$215K
Boston, MA · On-site · Senior · Full-time · Posted Oct 30, 2026
- Experience
- 3+ years of professional iOS software engineering experience.
- Education
- BS or MS in Computer Science, Electrical Engineering, or a related technical field, or equivalent experience.
About the job
Build and maintain iOS software connecting WHOOP wearable sensors with the mobile app and cloud, focusing on reliable data transfer and connectivity.
What you'll do
- Develop iOS components and background services for device connectivity, synchronization, and data transfer over BLE, Wi-Fi, and other protocols.
- Use Swift and Combine to build connectivity and data-management pipelines, improving performance, power efficiency, and reliability.
- Collaborate across firmware, mobile, and cloud teams to diagnose issues and support architecture, testing, and app releases.
What they ask for
- 3+ years of professional iOS software engineering experience.
- Solid foundation in Swift, iOS system APIs, concurrency, and memory management; hands-on Swift 6 Concurrency and background task processing experience.
- Demonstrated ability to apply architectural and platform-based design principles to build scalable, modular, testable software.
- BS or MS in Computer Science, Electrical Engineering, or a related technical field, or equivalent experience.
Nice to have
- Experience debugging and diagnosing issues across complex or distributed systems, such as firmware, mobile, or backend.
Pay
$150,000 - $215,000 USD base salary
Tools
Swift, Combine, Bluetooth Low Energy (BLE), Wi-Fi, Jira, Confluence, Github, Firebase
AI focus
Strong commitment to using AI tools in day-to-day tasks and ensuring AI-assisted work meets the same high-quality standards as personal contributions.
Model-written summary · the original posting is authoritative