Principal Software Engineer Job at Microsoft Corporation (Redmond)

Principal Software Engineer

Microsoft Corporation

Location:
United States , Redmond

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

Copilot Studio is Microsoft’s enterprise platform for building and interacting with AI-powered, low-code solutions—enabling the creation of intelligent agents and conversational experiences used by millions of users. The Copilot Studio team designs and delivers intuitive authoring and runtime experiences that empower citizen developers and pro developers alike to solve real-world problems and extend Microsoft’s family of Copilots across business systems and channels. We’re looking for a Principal Software Engineer with a strong front-end focus to help build modern, high-scale, and inclusive user experiences. You’ll work on intuitive authoring surfaces that support diverse personas in fusion teams, translating complex AI capabilities into approachable, high-quality interactions. As part of a highly collaborative SaaS team, you’ll own features end-to-end—from development to production—building automated tests, ensuring quality and reliability, and delivering continuously at scale.

Job Responsibility:

Define and drive the technical and experience architecture for major areas of Copilot Studio, with a strong emphasis on front-end frameworks, authoring experiences, and experience quality at scale
Lead the design of complex, cross-team solutions spanning multiple components and services, setting direction for frontend architecture, performance, accessibility, and maintainability
Partner with senior product, design, and research leaders to shape long-term experience strategy
Influence and align engineering decisions across teams and organizations
Anticipate long-term technical and experience challenges
Set a high bar for engineering and experience quality through technical leadership, mentorship of senior engineers, and stewardship of best practices

Requirements:

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
Ability to meet Microsoft, customer and/or government security screening requirements
Must pass Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have:

10+ years of industry experience building and shipping commercial software applications or services
5+ years of experience working in a high-scale SaaS environment
Demonstrated experience building and shipping AI-powered product features using large language models (LLMs) or AI tools
5+ years of professional experience building front-end web applications using JavaScript or TypeScript
Experience building and shipping user-facing product features where LLMs or AI-powered tools are a core part of the experience
Experience designing and delivering large-scale, user-facing software systems
Demonstrated technical leadership in building complex, production-grade applications
Hands-on experience building and shipping AI-powered product features where LLMs are a core part of the user or developer experience
Practical experience working with AI tools and coding models
Strong expertise in modern front-end technologies including JavaScript, TypeScript, React, and state management patterns
Experience establishing and evolving engineering quality practices at scale

Additional Information:

Job Posted:
April 23, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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