Resideo's Innovation Team is looking for a Principal Mobile Application Developer to build iOS and Android apps that unlock the potential of next-gen smart home devices. Ideally, you will possess expertise in native app development (iOS/Android), Flutter, Ultra-Wideband (UWB), Bluetooth, and UI/UX design. In this position you will work independently on mobile design and development within a cross-functional team of highly skilled hardware, firmware, and cloud engineers tasked with producing robust end-to-end demos that push the boundaries of what’s possible in the smart home. **JOB DUTIES:** + Build native apps (iOS and Android), with strong Swift and SwiftUI expertise + Support Kotlin/Java delivery and cross-platform integration + Lead Bluetooth and UWB feature integration with devices + Build responsive, user-friendly UI with strong design alignment + Manage CI/CD pipelines, App Store/Play Store deployments, and test automation + Collaborate closely with firmware and backend engineers + Maintain clean, scalable codebases, refactor smartly, and mentor where needed **YOU MUST HAVE:** + 5+ years mobile development experience + 2+ years in Swift and strong iOS app delivery + Native Android experience (Kotlin or Java) + Experience with Bluetooth stack integration **WE VALUE:** + A strong design eye - the ability to build UIs that work and look great + Experience with ARKit, UWB, Nearby Interactions or Flutter + Ownership of product delivery across platforms + Strong testing discipline and delivery pipelines + Excellent problem-solving and analytical skills + Strong attention to detail and commitment to quality + Effective communication and collaboration skills + Ability to work independently within a cross-functional team environment + Engineers who sweat the details but ship the product **WHAT'S IN FOR YOU:** + Competitive salary and benefits package including health insurance and Employee Assistance Plan + Hybrid working arrangement + Corporate social events and team building + Food and drinks: Free use of coffee machines, free fruit and snacks + Well-equipped office \#LI-HYBRID Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at [www.resideo.com](http://www.resideo.com/). At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the ["EEO is the Law" poster](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20poster.pdf?rv=fdc492d184344b3ea4aec0c96b321632), ["EEO is the Law" Supplement Poster ](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20Supplement%20Poster.pdf?rv=ebe367cad846443e8fa5aa86062813b6)and the [Pay Transparency Nondiscrimination Provision](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/Pay%20Transparency%20Nondiscrimination%20Provision.pdf?rv=11a9cf6533ba426296b137d906b0ce01). Resideo complies with applicable equal employment laws in all countries where we do business. For more information on how we process your information in the job application process, please refer to [Recruitment Privacy Notice](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Resideo%20%20-%20Recruitment%20Privacy%20Notice.pdf?rv=6d871e71bfa24982b181c92fda232b7a). If you require a reasonable accommodation to apply for a job, please use Contact Us form for assistance.