SenioriOSEngineer(Core)

At WHOOP, we’re on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology monitors vital physiological metrics to offer personalized insights that enhance fitness, health, and recovery. As a Senior iOS Engineer on the Core team, you will build the foundations that power the WHOOP iOS app—owning platform capabilities, shared architecture, and reliability/performance improvements that unlock faster delivery for product teams and a consistently great experience for members. You will lead technical planning for complex initiatives, mentor other engineers, and raise the bar for engineering excellence across the iOS stack. RESPONSIBILITIES: - - Lead the design and implementation of core iOS platform capabilities (for example, app architecture, navigation patterns, shared UI components, networking, persistence, and feature flagging) - Drive technical planning for initiatives, including scoping and sequencing work, identifying dependencies and risks, and communicating tradeoffs and timelines to stakeholders - Deliver high-quality, member-facing iOS features in Swift, collaborating with cross-functional partners to ensure requirements are met and outcomes are measurable - Improve app reliability, performance, and maintainability through testing, observability, crash and performance monitoring, and disciplined release practices - Establish and evolve shared engineering standards through code reviews, documentation, and architectural discussions, influencing patterns used across iOS development - Mentor and support other engineers through pairing, feedback, and knowledge sharing, helping grow individual capability and the overall health of the codebase QUALIFICATIONS: - - Significant experience building, testing, debugging, and shipping native iOS applications in production environments - Strong proficiency with Swift and iOS frameworks (fo