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Software Engineer II

Microsoft
United States, Washington, Redmond
Sep 26, 2025
OverviewCoreAI is at the forefront of Microsoft's mission to redefine how software is built and experienced. Weare responsible forbuilding the foundational platforms, services, programming models, and developer experiences that power the next generation of applications using Generative Artificial Intelligence (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) teamis responsible forenabling the world's best engineering teams with world-class tools and systems that help them ship products their customers love. Developers rely on many components to build software, including open-source packages built by others, enabling code reuse, faster development cycles and increased quality. Moreover, Microsoft is a big contributor of open-source software, including .NET and Visual Studio Code. Ensuring the security of those components and a great developer experience is paramount to Microsoft's core mission. The Open-Source Security and Tools team is seeking a software engineer who is passionate about open-source, developer productivity and security and will contribute to the ongoing growth and support of the engineering system powering Microsoft. The responsibilities will include: developing scalable distributed services scanning package managers like npm, NuGet and PyPi, collaborating with security teams, integrating new policies and scanners in our system, building a variety of tools that help Microsoft engineers consume and build open-source software that's secure, supporting customers and the production services.An understanding of how package managers work, how packages are built and installed in various languages and best practices for OSS development would be advantageous. Microsoft Culture 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. In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positivelyimpactour culture every day.
ResponsibilitiesWorks with appropriate stakeholders to determine user requirements for a set of features. Contributes to the identification of dependencies, and the development of design documents for a product area with little oversight. Creates and implements code for a product, service, or feature, reusing code as applicable. Contributes to efforts to break down larger work items into smaller work items and provides estimation. Acts as a Designated Responsible Individual (DRI) working on-call to monitor system/product feature/service for degradation, downtime, or interruptions and gains approval to restore system/product/service for simple problems. Remains current in skills by investing time and effort into staying abreast of current developments that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale.MS Culture & Values: Embody our Culture and Values
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