Sr Principal Architect: Ads Platform

Microsoft is a global technology company that develops software, services and platforms for a wide range of customers. As a Sr Principal Architect for the Ads Platform, the role focuses on defining and evolving the end‑to‑end technical architecture of Microsoft’s advertising solutions. Day‑to‑day responsibilities include leading design discussions, setting standards for scalability, reliability and security, evaluating new technologies, and guiding implementation across multiple engineering teams. The architect works closely with product managers, data scientists and operations to translate business goals into robust, cloud‑native services, often leveraging Azure infrastructure. The position also involves mentoring senior engineers, reviewing code and design artifacts, and influencing the long‑term roadmap of the ads ecosystem. Candidates suited for this role are seasoned software engineers with deep experience in large‑scale distributed systems, performance optimization, and cloud platforms, preferably with a background in advertising technology. Strong leadership, communication skills and a proven track record of delivering complex, high‑impact systems are essential.