WHOOP · 8 hours ago
Senior iOS Engineer (Connectivity)
Boston, MA
Full-time
Onsite
Mid, Senior Level
$150K/yr - $210K/yr
3+ years expWHOOP is on a mission to unlock human performance and healthspan, empowering people to perform at a higher level through a deeper understanding of their bodies. The iOS Software Engineer will design and implement software for WHOOP’s wearable sensors to communicate with the mobile platform, ensuring reliable data flow across the ecosystem.
Consumer ElectronicsFitnessSportsWearablesWellness
Responsibilities
Design, implement, and maintain iOS application components that interface directly with WHOOP hardware over Bluetooth Low Energy (BLE), Wi-Fi, or other communication protocols
Develop background and system-level iOS services that ensure reliable device connectivity, synchronization, and data transfer
Leverage Swift and Combine to build resilient, efficient, and maintainable reactive pipelines for connectivity and data management
Collaborate closely with embedded firmware, mobile, and cloud engineers to diagnose and resolve issues across a distributed system
Drive continuous improvement of performance, power efficiency, and reliability in the WHOOP connectivity layer
Champion strong software architectural principles for testable, scalable, maintainable software on your own team and across the organization
Document new features and architecture using Jira, Confluence and preparing code using Github feature, develop, and master branches
Participate in the release process, including getting the app built, managing build variants, signing, sending and testing through Firebase, and submitting to the App store
Qualification
Required
BS or MS in Computer Science, Electrical Engineering, or a related technical field, or equivalent experience
3+ years of professional iOS software engineering experience with a solid foundation in Swift, iOS system APIs, concurrency, and memory management
Hands-on experience with Combine and background task processing for non-UI iOS features
Demonstrated examples applying architectural and platform-based software design principals to build scalable, modular, testable software
Experience debugging and diagnosing issues across complex or distributed systems (for example: firmware, mobile, backend) is a strong plus
Excellent collaboration and communication skills with a focus on cross-functional problem solving
Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions
Benefits
Meaningful equity
Benefits
A generous equity package
Company
WHOOP
WHOOP is a fitness tech company that offers wearables that track sleep, recovery, and performance.
501-1000 employees
H1B Sponsorship
WHOOP has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (32)
2024 (18)
2023 (15)
2022 (5)
2021 (17)
2020 (6)
Funding
Current Stage
Late StageTotal Funding
$404.75MKey Investors
SoftBank Vision FundIVPFoundry Group
2021-08-30Series F· $200M
2020-10-28Series E· $100M
2019-11-12Series D· $55M
Leadership Team
Will Ahmed
Founder & CEO
Aurelian Nicolae
Co-Founder & Chief Hardware Engineer
Recent News
Bizjournals.com Feed (2025-11-12 15:43:17)
2026-01-15
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