Principal Software Engineer

CoreAI 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.   

Within CoreAI, the Future of Scalable Software Engineering (FoSSE) team is building capabilities to enable AI-enabled modernization of the world's largest code bases.  

In this role, you will help define the future of software development at the largest scales. You will help build and combine static analysis and ML tools to empower AI-assisted translation and migration tasks across the world's largest bases. You will work with state-of-the-art LLMs and reasoning models, large code bases, and static analysis algorithms and advanced code parsers to enable AI agents at the largest scales. 

Microsoft's mission is to empower every person and every organization on the planet to achieve more, and we're dedicated to this mission across every aspect of our company. Our culture is centered on embracing a growth mindset and encouraging teams and leaders to bring their best each day. Join us and help shape the future of the world.  

Our team values a friendly, collaborative atmosphere with a passion for technology. We believe strongly that a diverse team that applies empathy and leverages high quality communication skills helps us deliver superior products and is key to our success. 

Drive Strategic Clarity: Leverage data-driven insights and competitive intelligence to inform product direction, identify opportunities, and guide decision-making.

Architect for Scale and Sustainability: Design and evolve durable, scalable system architectures that balance long-term maintainability with short-term delivery needs, making thoughtful engineering trade-offs. 

Foster Engineering Alignment: Build consensus across engineering teams and partner organizations by driving clarity, alignment, and shared ownership of technical direction. 

Build Foundational Capabilities: Contribute to and lead the development of core platform components and reusable building blocks that accelerate team velocity and product innovation. 

Champion Customer-Centric Development: Engage directly with customers and product teams to capture feedback, understand demand signals, and refine product messaging—ensuring the voice of the customer shapes product evolution. 

Operational Excellence: Drive operational excellence with a high bar for data quality, stability, security and privacy. Set high standards for reliability and performance. 

Required Qualifications: 

•  Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Other Requirements: 

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: 

• Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/