Microsoft's Ads Marketplace and Serving team is seeking a Senior Software Engineer to join their dynamic group responsible for developing a comprehensive advertising platform. This role focuses on building highly scalable systems that power Microsoft's $70B+ online advertising business. You'll work on infrastructure features for ads metrics, diagnostics, and monitoring, while optimizing data processing pipelines. The position offers the opportunity to work with cutting-edge technology in computational advertising, combining elements of information retrieval, machine learning, and large-scale systems. As part of Microsoft's mission to empower every person and organization, you'll contribute to a team that values growth mindset, innovation, and collaboration. The role offers competitive compensation, comprehensive benefits, and the chance to work on impactful projects at one of the world's leading technology companies. This position requires strong technical skills in languages like C++, C#, or Java, and experience with large-scale distributed systems.