Principal Software Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 04, 2025 | |
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OverviewNow more than ever, we live in an age where AI and Cloud Services are empowering people around the world to achieve more. Behind these innovative services exists a critical infrastructure that is bringing them to life. The Search & AI Platform is building that foundation which makes Bing and Copilot possible on a global scale. Our product is impacting individual's lives in scenarios such as Web Search, AI chat, AI grounding, and local deal finding.As a Principal Software Engineer on the Search & AI Platform team you will be collaborating in building the deep learning inferencing system using in-house and open-source technologies, and working on performance analysis, key components scaling up, distributed system debugging, and new feature/algorithm development. You will be hands-on in a massively scaled and distributed system, and a wide range of CPU and GPU hardware.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.Starting January 26, 2026, MAI employees are expected to work from a designated Microsoft office at least four days a week if they live within 50 miles (U.S.) or 25 miles (non-U.S., country-specific) of that location. This expectation is subject to local law and may vary by jurisdiction.
ResponsibilitiesShip high-quality, well-tested, secure, and maintainable code.Work collaboratively and communicate effectively with engineering, data scientists and product teams.Design, and develop large scale distributed software services and solutions in collaboration with teammates.Design services with a solid focus on high availability and scalability, robustness, and observability.Take end-to-end responsibility for the development, observability, quality, testing, and production readiness of the services you build. Design the system at scale for scenarios and canvases to be supported.Iterate the service capabilities as new requirements emerge with service rolled out.Embody our Culture and Values. | |