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Principal Software Engineer - AI Experiences, Copilot Engineering

Microsoft · Redmond, WA · 1 wk ago
On-siteEngineering$143k–$275k/yrFull-time

About the role

As a Principal Software Engineer on the AI Experiences, Copilot Engineering team, you will work at the intersection of distributed systems, AI, and agent-driven development to build systems that can reason, plan, and execute tasks—powering the next generation of AI-assisted and agentic computing experiences. The team builds the full stack from working with data and models to user experiences with native tools and quality feedback loops, shipping consumer-scale services that are transforming how users interact with their PCs.

Responsibilities

  • 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

Required Qualifications

  • 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

Preferred Qualifications

  • 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

Pay

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Certain roles may be eligible for benefits and other compensation.

Schedule

Starting January 26, 2026, AI Experiences employees who live within a 50-mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction. By applying to this U.S. Redmond, WA position, you are required to be local to the greater Seattle area and in office 4 days a week.

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