New 
Principal Software Engineer
 Microsoft | |
remote work
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 United States, Washington, Redmond | |
 Aug 03, 2025 | |
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OverviewCore AI is at the forefront of Microsoft's mission to redefine how software is built and experienced. We are responsible for building the foundational platforms, services, programming models, and developer experiences that power the next generation of applications using Generative AI. Our work enables developers and enterprises to harness the full potential of AI to create intelligent, adaptive, and transformative software.The 1ES (One Engineering System) team is responsible for enabling the world's best engineering teams with world-class tools and systems that help them ship products their customers love. 1ES develops and operates a set of engineering tools and services including build, verification services, code review tools, data analysis, and machine learning services - all working towards a unified engineering system for internal Microsoft needs. Distributed build, static analysis, test and release are at the center of Microsoft 1ES and are helping major groups within the company deliver features faster and with better quality. Our services are used by tens of thousands of developers, and we build, analyze, test and release millions of projects daily in a distributed service running at scale in multiple data centers across the world. We are looking for a Principal Software Engineer for our team, to architect and build distributed services that power the CI/CD infrastructure used by millions of developers across Microsoft and external customers. You'll work with Azure technologies to deliver and scale compute across a variety of platforms - including virtual machines, containers, and custom lab environments - spinning upmillions of resources per dayto meet demand. This opportunity will allow you toaccelerate your career growth,deepen your expertise in cloud-scale distributed systems, andinfluence engineering practices at a global scale. We offer a flexible work environment, and team members can work from home either partially or fully, depending on location and preference. 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.
ResponsibilitiesResponsibilities:Partners with appropriate stakeholders to determine user requirements for a set of scenarios. Leads identification of dependencies and the development of design documents for a product, application, service, or platform. Leads by example and mentors others to produce extensible and maintainable code used across products. Leverages subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to drive multiple group's project plans, release plans, and work items. Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions. Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers. | |