Microsoft is seeking a Principal Software Engineer for the Bing App team, operating at the intersection of mobile-first, cloud-first, and AI-powered technologies. This role offers an opportunity to shape the future of mobile experiences that impact millions of users globally. The position is based in Beijing, working with a dynamic team across Asian innovation centers. The ideal candidate will lead iOS development initiatives, leveraging Swift, SwiftUI, and CoreML to create cutting-edge applications. With a focus on building 5-star apps, the role combines technical leadership with hands-on development, requiring both engineering excellence and team leadership capabilities. The position offers comprehensive benefits, a collaborative environment, and the chance to work on globally impactful products. This is an excellent opportunity for experienced iOS developers who want to drive innovation in search, AI, and mobile technologies while working with Microsoft's extensive resources and reach.