Senior Software Engineer

Senior Software Engineer

Core 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 Artificial Intelligence. 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 Senior Software Engineer to help shape the future of secure engineering systems at Microsoft. In this role, you will build scalable, resilient services that enhance our security posture across engineering environments. You’ll develop tools and frameworks that proactively identify and remediate vulnerabilities, streamline secure development practices, and empower teams to ship trustworthy software at scale. This role follows Microsoft’s flexible work model, with an expectation of in-person collaboration at least three days per week to foster alignment, innovation, and team connection.