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# Principal Software Engineer - AI Experiences, Copilot Engineering

- **Company:** Microsoft
- **Location:** Mountain View, CA, United States
- **Experience:** Expert
- **Salary:** $142,800.0 - $274,800.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, C (Programming Language), Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Artificial Intelligence, C Sharp (Programming Language), C++ (Programming Language), Software Quality, Python (Programming Language), Microsoft Copilot, Agentic-AI, Information Technology, Human in the Loop
- **Published:** October 5, 2026
- **Apply:** https://diversityjobs.com/career/18540858/Principal-Software-Engineer-Ai-Experiences-Copilot-Engineering-California-Mountain-View

## About the Role

* Bachelor's Degree in Computer Scienceor 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., * Master's Degree in Computer Science or related technical field AND 12+ 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 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
 + OR equivalent experience.
 * Extensive hands-on experience using modern AI coding agents(e.g., ClaudeCode, Codex,GithubCopilot, or similar tools), witha track recordof:
 * Acting as ateam expert or go-to resourcefor AI-assisted/agentic development workflows
 * Driving adoption of agentic coding tools to improve engineering velocity and code quality
 * Defining best practices for prompt design, tool usage, and human-in-the-loop systems

## Description

* Design and develop next generation products and features for Copilot experiences on Windows, Mac, and mobile.
 * Design and develop secure and performant platform services that support Copilot experiences on Windows, Mac, and mobile.
 * Work collaboratively with platform, infrastructure, applicationengineersand researchers to build next generation AI products and services.
 * Ship high-quality, well-tested, secure, and maintainable code.
 * Overcome obstacles to deliver work quickly and iteratively to users
 * Enjoy working in a fast-paced, design-driven, product development cycle.
 * Embody ourCultureandValues.