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Microsoft

# Principal Software Engineer - AI Experiences, Copilot Engineering

United States, Washington, Redmond Senior individual contributor Software Engineering 

Listed on Microsoft’s official careers site. Posted August 13, 2026. Check that it is still open and apply there.
[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556961689)

[OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Software Engineer - AI Experiences, Copilot Engineering

## Job 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, application engineers and 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 our Culture and Values. 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 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., Claude Code, Codex, Github Copilot, or similar tools), with a track record of: Acting as a team expert or go-to resource for 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

## At a glance
- Posted by the employer: Aug 13, 2026
- First seen by OpenNash: Aug 21, 2026
- Last checked: Oct 18, 2026
- Listed for: 66 days
- Location: United States, Washington, Redmond[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556961689)

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