loading . . . Principal Software Engineer | Microsoft Careers Developer Division in CoreAI believes that software development is rapidly evolving in the age of Artificial Intelligence. Lead the design and implementation of core features in Pylance, debugpy, and related tools. Collaborate with AI teams to enhance Copilot chat and agent experiences with rich language and debugging context. Invent and prototype new paradigms for debugging and diagnostics in the AI era. Define and deliver Model Context Protocol (MCP) integrations for Python and multi-language workflows. Drive deep customer engagement through GitHub, feedback channels, and direct interactions to gather insights and represent the Python developer's voice. 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. Experience designing and implementing language tooling (e.g., compilers, static analysis, language servers, debuggers, etc.). These requirements include but are not limited to the following specialized security screenings: Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 2+ years of experience in Python and one or more of: TypeScript, JavaScript, Rust. Experience working on developer tools, IDE extensions (Visual Studio or VS Code), or similar ecosystems. 1+ years of experience applying AI technologies (such as large language models or code generation tools) in software development workflows, including tasks like static analysis, automated documentation, or test generation Demonstrated engagement with open-source communities and customers via GitHub or other forums. 6+ months of experience applying AI technologies (such as large language models or code generation tools) in software development workflows, including tasks like static analysis, automated documentation, or test generation. https://apply.careers.microsoft.com/careers/job/1970393556640919