Senior iOS Engineer

About the role

Join our team as a Senior iOS Engineer and help redefine how people get stronger. In this critical role, you will architect, develop, and ship high-performance iOS features in Swift, build a modular design system, and engage in architectural discussions to improve codebase health. You will work closely with designers to craft delightful user experiences and build thoughtful, scalable solutions. This is a hybrid position based in Austin, TX, with a great benefits package and a focus on quality and product experience. Key missions: Architect, develop, and ship high-performance iOS features in Swift (SwiftUI/UIKit).. Build a modular design system to keep development fast and scalable, and engage in architectural discussions to improve codebase health.. Work closely with designers to craft delightful user experiences and build thoughtful, scalable solutions. Profile: - You’re a top-tier Engineer — experienced, hungry, and obsessive about building world-class product experiences - You’re a Senior iOS engineer who blends relentless pursuit of quality with a pragmatic, product-focused mindset - You thrive in small teams, love to sweat the details, and are energized by building tools and platforms that empower both users and fellow engineers - Startup experience preferred - you thrive in fast-paced, high-agency environments - Strong grasp of app architecture, performance optimization, and modern build systems - 5+ years of iOS development experience with deep expertise in Swift and the iOS ecosystem - Builder’s mentality – You’re energized by ownership, autonomy, and moving fast with a small, talented team - Pragmatic Engineer – You balance the “perfect” solution with realism for shipping a product - Craftsperson – You care deeply about product quality, elegant code, and getting the details right - High agency - you don't wait for permission to solve problems - Fitness/wellness industry experience or passion - Passion for education, productivity, or tool-building - Passion for code