Principal Full-Stack Software Engineer - AI Experiences, Copilot Engineering

Create breakthrough experiences that redefine what an AI companion can do Build across modalities—voice, vision, text, and action—to make Copilot feel seamless and alive Own features end-to-end, from concept through production, at scale Collaborate with applied AI researchers to bring cutting-edge model capabilities to users Ship experiments rapidly, learn from usage, and iterate toward experiences that feel like magic Work across team boundaries on problems that span the entire product 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 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 6+ years of experience with full-stack fundamentals across frontend (React, TypeScript) and backend systems. 6+ years of experience in Python or similar languages for backend development 6+ years of experience building scalable web APIs and services Comfort with ambiguity and the ability to move fast in loosely-defined problem spaces Experience with creating great product experiences and a drive to ship work that matters