Software Engineer II

The Azure platform is designed to meet the performance requirements of Microsoft’s cloud services and Azure customers, and the Azure Platform Performance team focuses on optimizing core components that support this goal. The team works across the platform to ensure that Azure continues to deliver the speed, reliability, and efficiency needed at global scale. The Software Engineer IC3 role centers on operating systems and cloud fundamentals, with responsibilities that include performance analysis and software optimization on the Azure Host platform for new innovations such as the next generation of Microsoft Azure Boost offloading technology. The team specializes in identifying performance bottlenecks across critical Azure scenarios, conducting investigations that span hardware‑level issues, kernel and virtualization layers, and user‑mode customer application code. The work involves driving optimizations with partner teams through a strong understanding of feature implementation and design, as well as implementing fixes when needed. Prior experience in performance is preferred. This role offers the opportunity to contribute to high‑growth areas that are essential to Microsoft’s success. The team is seeking individuals with a growth mindset who are enthusiastic about exploring new technical areas, communicate effectively, and collaborate well with teammates and partners.