We are looking for an engineer who will be responsible for defining, developing and delivering key user facing performance metrics to engineering partners and senior leadership. In this role, you’ll partner closely with engineering teams to find opportunities for improvement of Siri performance. You work will include maintaining large scale data systems on server and on-device for performance metrics computation and observability. We’re looking for someone who has excellent communication skills, the ability to engage with colleagues and leadership to find common ground on solving hard problems! You’ll be someone comfortable executing in a rapidly changing environment with ambiguous requirements to drive impact incrementally. You demonstrate strong problem solving skills and are self-directed with a proven ability to execute. You continually desire learning and demonstrate attention to details and find opportunities to innovate and share knowledge with others. You demonstrate best practices for code development including unit testing, CI/CD, performance testing, documentation, monitoring and alerting. You will be responsible for collaborating with customers to understand metric needs, provide technical guidance and gather requirements and deliver effective data solutions and dashboards.