> Markdown version of [/jobs/ext/1994670-software-engineer-activity-fitness-watch-software](https://www.wearedevelopers.com/jobs/ext/1994670-software-engineer-activity-fitness-watch-software). 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). --- # Software Engineer - Activity & Fitness, Watch Software - **Company:** Apple Inc. - **Location:** Boulder County, CO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Data Analysis, Interoperability - **Published:** August 8, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/software-engineer-activity-and-fitness-watch-software-boulder-co-usa-58848848 ## About the Role Experteer Overview In this role you will develop features for the Fitness, Activity, and Mindfulness apps on watchOS and iOS, collaborating with cross-functional teams to ship impactful experiences. You'll work across the stack-from UI to data syncing and device integration-while infusing intelligence into the user journey. This is an opportunity to shape health-focused software that reaches across devices and fuels meaningful user well-being. You'll thrive by delivering high-quality products in a fast-paced, collaborative environment. Compensation / Benefits * Develop features for the Fitness, Activity, and Mindfulness apps on watchOS and iOS * Collaborate with Design, Product Marketing, and QA to deliver cross-functional features * Build UI and design systems for data analysis and syncing * Integrate features across devices and platforms within the Apple ecosystem * Add intelligence to user experiences to improve engagement and outcomes Tasks * BS CE/CS or equivalent experience * 4+ years of Swift coding ability * Deep commitment to product quality * Excellent communication and collaborative skills Key requirements * ## Description Experteer Overview In this role you will develop features for the Fitness, Activity, and Mindfulness apps on watchOS and iOS, collaborating with cross-functional teams to ship impactful experiences. You'll work across the stack-from UI to data syncing and device integration-while infusing intelligence into the user journey. This is an opportunity to shape health-focused software that reaches across devices and fuels meaningful user well-being. You'll thrive by delivering high-quality products in a fast-paced, collaborative environment. Compensation / Benefits * Develop features for the Fitness, Activity, and Mindfulness apps on watchOS and iOS * Collaborate with Design, Product Marketing, and QA to deliver cross-functional features * Build UI and design systems for data analysis and syncing * Integrate features across devices and platforms within the Apple ecosystem * Add intelligence to user experiences to improve engagement and outcomes Tasks * BS CE/CS or equivalent experience * 4+ years of Swift coding ability * Deep commitment to product quality * Excellent communication and collaborative skills Key requirements * ## Related Videos - [From Bedside Beeps to Interoperable Bytes – Getting your medical devices ready to talk the IEEE 11073 language](https://www.wearedevelopers.com/videos/771-from-bedside-beeps-to-interoperable-bytes-getting-your-medical-devices-ready-to-talk-the-ieee-11073-language) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Android beyond mobile: Cars, TVs, and Wearables](https://www.wearedevelopers.com/videos/553-android-beyond-mobile-cars-tvs-and-wearables) - [WeAreDevelopers LIVE - GraalVM in action, Static Analysis insights and more](https://www.wearedevelopers.com/videos/1723-wearedevelopers-live-graalvm-in-action-static-analysis-insights-and-more) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Dev Digest 118 - not a total recall](https://www.wearedevelopers.com/magazine/452-dev-digest-118-not-a-total-recall) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)