Sr. Builder - Mobile (Platform), Ring

Ring is redefining how millions of people interact with their homes every single day. As a Senior Builder on the App Platform team, you won't just write code — you'll set the technical direction for one Basic qualifications: - Experience as a mentor, tech lead or leading an engineering team - 7+ years of programming with at least one software programming language experience - 7+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience - 7+ years of non-internship professional software development experience - 7+ years of professional software development experience building mobile applications - 5+ years of deep native iOS (Swift/Objective-C) or Android (Kotlin/Java) development, with working knowledge of the other platform — or equivalent depth building production mobile apps with React Native or a comparable cross-platform framework, with strong familiarity with at least one underlying native platform - Demonstrated experience building and operating applications at large scale (millions of daily active users) - Experience designing and implementing modern mobile architectures (e.g., MVVM, MVI, Clean Architecture, unidirectional data flow) using current platform tooling (SwiftUI/UIKit, Jetpack Compose, Coroutines, Combine, etc.) - Strong command of the full mobile SDLC including CI/CD, automated testing, release management, and production monitoring - Experience leading technical initiatives that span multiple teams or influence organizational engineering practices Preferred: - Bachelor's degree in computer science or equivalent - Experience building mobile platform SDKs, shared libraries, or developer tooling consumed by other engineering teams - Demonstrated adoption of AI-powered development tools and practices (AI-assisted coding, automated test generation, intelligent code review, AI-driven debugging) - Experience integrating cross-platform frameworks (React Native, Flutter, Kotlin Multiplatform) into existing native applications, or operating hybrid native + cross-platform architectures at scale - Experience with monorepo tooling, modularization strategies, or build system optimization (Bazel, Gradle, SwiftPM, Tuist) for large mobile codebases - Experience with streaming video, real-time communication protocols (WebRTC, HLS, RTSP), or media playback at scale - Experience with connected device ecosystems (IoT, Bluetooth, local network protocols, device pairing/provisioning) - Performance optimization experience for resource-constrained environments (battery, memory, network) Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits . USA, MA, North Reading - 168,100.00 - 227,400.00 USD annually