Whoop
Senior iOS Engineer (Connectivity)
Boston, MA · Senior · Full-time
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$12,198 more — $162,198 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $162,198 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Boston-Cambridge-Newton, MA-NH. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
Employer immigration record
from this employer's Department of Labor filings
Files H-1B transfers
Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- We handle massive amounts of data continuously streaming up to the cloud from people improving their health and wellness to the world's greatest sports teams and athletes mandating a fault-tolerant and highly available product.
- Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework https://engineering.prod.whoop.com/careerframework.
- This role is based in the WHOOP office located in Boston, MA.
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
Requirements
- 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 Swift 6 Concurrency and background task processing for non-UI iOS features.
- The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.
- Demonstrated examples applying architectural and platform-based software design principals to build scalable, modular, testable software.
- 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.
Nice to have
- Experience debugging and diagnosing issues across complex or distributed systems (for example: firmware, mobile, backend) is a strong plus.
Compensation
- The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.
Company info
- At WHOOP, we're on a mission to unlock and inspire performance for life.
- At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience.
This listing is sourced directly from Whoop's careers page and normalized into a canonical job model.