> Markdown version of [/jobs/ext/4635988-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4635988-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal, Software Engineer - **Company:** SPORTSMAN'S ATLAS CO. - **Location:** Beaverton, OR, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Android Software Development, Continuous Integration, Performance Tuning, Software Engineering, Systems Architecture, Swiftui, Ios Frameworks, Swift (Programming Language), Kotlin, Jetpack Compose, Multiplatform - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25303_237fe6ee7b929288a5605cc041a352d8 ## About the Role Architect and own the end-to-end technical strategy for Nike's activity apps, including NRC and NTC across mobile and wearable platforms. Lead the development of critical workout session stacks, sensor integration, and the consolidation of legacy code paths. Requirements: Requires 10+ years of software engineering experience with expert proficiency in modern mobile stacks and a proven track record of shipping apps with 10M+ MAU. Must have deep expertise in wearable OS, sensor management, and mobile CI/CD ecosystems. Key Skills: Swift, SwiftUI, Kotlin, Jetpack Compose, Kotlin Multiplatform, iOS Development, Android Development, watchOS, Wear OS, Core Location, Core Motion, CI/CD, System Architecture, Mobile Performance Optimization, HealthKit, Google Fit