New 
Principal Software Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Aug 23, 2025 | |
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OverviewWe are looking for a Principal Software Engineer to join our Microsoft AI - Copilot Discover - Knowledge Agent backend platform team, contributing to projects related to agentic vertical content generation pipelines, AI model serving pipeline, data ingestion, caching, and serving. This platform powers backend support for verticals such as weather, finance, sports, and potentially others, delivering content across Microsoft canvases including Copilot, Edge, MSN, and Windows, reaching over 1B+ customers globally. The ideal candidate is passionate about backend engineering and skilled at building highly distributed, high-volume, and reliable service platforms in the cloud. Experience with cloud storage, distributed task orchestration, and large-scale data processing is required, with proficiency on Azure or equivalent technologies on AWS and GCP (e.g., S3, Cloud Storage, Kafka, Kubernetes). You will provide technical leadership, drive engineering excellence, and deliver robust and scalable solutions that directly impact global users, while continually improving platform KPIs. 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.
ResponsibilitiesDesign, develop, test, and deploy data ingestion, pre/post processing, caching, and serving pipelines.Architect and implement scalable backend services with solid reliability and performance guarantees.Deploy algorithms and ML/DL models using containers and schedulers.Collaborate with scientists, engineers, and product managers to translate business requirements into technical solutions.Provide technical leadership and mentorship to junior engineers and peers.Ensure code quality, performance, reliability, and scalability of platform components.Troubleshoot and resolve issues in production and development environments.Participate in DRI on-call duties. | |