Microsoft is seeking a Senior Software Engineer to join their Online Advertising team, a rapidly growing division handling billions of ad impressions daily. This role sits at the intersection of computational advertising, combining information retrieval, data mining, machine learning, and micro-economics. The position offers a unique opportunity to influence technology development in Microsoft's advertising growth area, working with a $70 billion online advertising market. You'll collaborate with top scientists and engineers across Microsoft's global R&D team, designing and implementing complex algorithms for large datasets. The role requires strong technical expertise in distributed systems, with a focus on building low-latency, high-throughput systems. Microsoft offers a culture of inclusion with a growth mindset, where innovation and collaboration are key values. The position includes hybrid work arrangements with up to 50% work from home flexibility, comprehensive benefits, and the chance to work on cutting-edge advertising technology solutions that impact billions of users globally.