As a Principal Full-Stack Software Engineer on the AI Experiences, Copilot Engineering team at Microsoft, you will work on groundbreaking AI interactions that redefine the role of AI companions. The team focuses on building experiences across various modalities, including voice, vision, text, and action. You will be responsible for owning features from concept to production, collaborating with applied AI researchers, and shipping innovative solutions that enhance user experiences. This role requires navigating ambiguity and working on complex problems that span the entire product.

• Bachelor's Degree in Computer Science or related technical field AND 6+ years of 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 of technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.
• Bachelor's Degree in Computer Science or related technical field AND 12+ years of 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 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.

• 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.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.