Senior UX Engineer, Search AI

Author production-grade front-end code and reusable Google3 components across Web (TypeScript, HTML5, modern CSS, Web Animations API) and Native Mobile (iOS/SwiftUI and Android/Jetpack Compose).Build Live Experiments (LEs) and interactive sandboxes that validate user feel, frame rates, and latency under real-world LLM streaming conditions.Develop and maintain mo.co.labs tooling, pipelines, and frameworks that empower partner teams, uplevel cross-functional craft, and dramatically shorten the design-to-implementation timeline.Systemize motion tokens, container transforms, and fluid transition frameworks into the Search Design System (SDS) for scalable governance.Provide technical leadership on ambiguous 0-to-1 interaction explorations, partnering across UX, SWE, and Product teams.Minimum qualifications:Bachelor's degree or equivalent practical experience.6 years of experience in front-end development, technical UX design, or prototyping.Experience in application development in one platform/area (e.g., web, iOS, Android, CompDes, or XR).Experience building or prototyping across Web and Native Mobile platforms (iOS/SwiftUI or Android/Jetpack Compose)Experience with UI animation mechanics, gesture dynamics, spring physics, cubic-bezier curves, and rendering performance.Preferred qualifications:7 years of experience developing responsive, adaptive, and performant websites and applications.6 years of experience as a front-end developer, UX Engineer, creative or design technologist, or in a prototyping design environment.Experience architecting design token pipelines, developer harnesses, or design system component libraries.Experience integrating AI models, LLMs, prompt engineering, generative UI workflows, or agentic developer tools into daily engineering workflows.At Google, we "Focus on the user and all else will follow." Our UX Engineers are versatile, passionate, and driven to advance the vision for our design teams. Comfortable working across discipline lines, you will develop products and prototypes that bring innovative ideas to life.Joining a multi-disciplinary UX team, you will collaborate with Engineering and Product Management, using user insights to create industry-leading products. In a fast-paced environment, you will use your creativity, analytical skills, and knowledge of user-facing technologies to: create prototypes that define product experiences; launch innovative features; build tools to accelerate UX teams; and bridge design and engineering to ensure efficient, high-quality execution.As a Senior UX Engineer on the motion.code team you will help drive motion excellence in Search, bridging design intent and production software through living Google3 code and open developer pipelines. You will work on complex technical issues and you will have a playground to advance modern Search. In this role, you will bring deep AI fluency to your everyday workflow, experimenting across Web, iOS, and Android to translate bleeding-edge AI interaction models into performant, production-ready code alongside motion designers, UX leads, and Search Software Engineers.In Google Search, we're reimagining what it means to search for information – any way and anywhere. To do that, we need to solve complex engineering challenges and expand our infrastructure, while maintaining a universally accessible and useful experience that people around the world rely on. In joining the Search team, you'll have an opportunity to make an impact on billions of people globally.Individual pay is determined by factors including job-related skills, experience, and relevant education or training. US: $159000 - $230000 (USD) + 15% bonus target + equity + benefitsLearn more about benefits at Google.Applicants in San Francisco: Qualified applications with arrest or conviction records will be considered for employment in accordance with the San Francisco Fair Chance Ordinance for Employers and the California Fair Chance Act.Note: By applying to this position you will have an opportunity to share your preferred working location from the following: San Francisco, CA, USA; Mountain View, CA, USA; New York, NY, USA.Bachelor's degree or equivalent practical experience.6 years of experience in front-end development, technical UX design, or prototyping.Experience in application development in one platform/area (e.g., web, iOS, Android, CompDes, or XR).Experience building or prototyping across Web and Native Mobile platforms (iOS/SwiftUI or Android/Jetpack Compose)Experience with UI animation mechanics, gesture dynamics, spring physics, cubic-bezier curves, and rendering performance.