Principal Software Engineer

Online Advertising is one of the fastest‑growing businesses on the Internet. Microsoft Ads powers large‑scale deep learning workloads across Search, Recommendations, Click Prediction, and Relevance. Deep learning sits at the core of how Ads drives business performance and delivers high‑quality user experiences. We are building a unified, high‑performance inference platform to serve Ads deep learning models at extreme scale. This platform serves billions of requests daily, with strict requirements on latency, throughput, reliability, and cost. We are seeking a Principal Software Engineer with solid expertise in high‑performance C++ systems and large‑scale distributed serving, with preferred experience in GPU inference and acceleration technologies. You will be a senior technical leader driving the architecture, performance, and reliability of the next‑generation serving stack for Ads.