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Principal Software Engineer - AI Experiences, Copilot Engineering

United States, Washington, Redmond💼 Full-time🗓 2026-08-13 → 2026-09-26

Core

Design and develop next-generation products, features, and secure platform services for Copilot experiences across Windows, Mac, and mobile.

Role type

Principal Software Engineer (AI Experiences)

Builds

Next-generation AI products and services for Copilot

Domain

Consumer AI / Productivity Software

Deliverable

product features

Required skills

C, C++, C#, Java, JavaScript, Python, modern AI coding agents, agentic development workflows, prompt design, human-in-the-loop systems

Preferred skills

team expert in AI-assisted development, driving adoption of agentic tools, defining best practices for tool usage

Technologies

Claude Code, Codex, Github Copilot

Responsibilities

Design and develop secure and performant platform services; collaborate with platform, infrastructure, and research teams; ship high-quality, well-tested, and maintainable code; overcome obstacles to deliver work quickly and iteratively

Seniority

Principal, hands-on IC

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