Principal Software Engineer

Are you passionate about building high-performance, cutting-edge software? Do you thrive at the intersection of systems programming, runtime optimization and large-scale application performance? We’re seeking a Software Engineer to drive the evolution of the .NET Garbage Collector (GC) and help shape the future of the .NET runtime. Today, millions of workloads run on .NET, from enterprise applications to AI-powered services and cloud platforms. The .NET Garbage Collector is at the heart of these systems, ensuring memory efficiency, responsiveness, and scalability. If you love solving deep technical challenges that directly impact millions of developers and AI-powered workloads worldwide, this role is for you. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.