Senior Software Engineer - Runtime (OS) Pcie

Microsoft is a global technology company that develops software, services, and platforms across a wide range of domains. This senior software engineer role focuses on runtime and operating system components related to PCIe, the high‑speed interface used to connect peripherals and accelerators. The position involves designing, implementing, and debugging low‑level OS code and device drivers, optimizing performance, and ensuring reliability of PCIe interactions on Windows and possibly Linux kernels. Day‑to‑day work includes writing C/C++ code, conducting code reviews, using hardware debugging tools, collaborating with hardware and system teams, and contributing to architectural decisions for runtime services. The role suits candidates with several years of experience in systems programming, deep knowledge of operating system internals, and hands‑on experience developing or maintaining PCIe drivers or similar hardware interfaces. Strong problem‑solving skills, proficiency in concurrency, and the ability to work across multiple locations in Bangalore and Hyderabad are essential.