In this role you will be responsible for: •Define the overall system architecture for the voice assistant, including integration of a language model for more natural conversation, NLP engines, dialogue management, speech recognition, and response synthesis modules.•Select appropriate technologies and frameworks based on performance requirements and scalability needs.•Design data flow between different system components and ensure seamless integration with existing Siri systems to maintain a consistent user experience across platforms and releases.•Guide the development team in implementing the architectural design, providing technical expertise and decision-making on critical technical aspects.•Collaborate with engineers to translate product requirements into technical specifications.•Monitor and evaluate the performance of the voice assistant system, identifying areas for optimization and improvement.•Ensure strong protocol design principles to facilitate broad donation of capabilities from apps and services.