Principal Software Engineering - AI Frameworks

Microsoft · United States, Washington, Redmond, United States, California, Mountain View, United States, Multiple Locations, Multiple Locations · Software Engineering

principal software engineering Principal Engineer tech_leadership · Posted Jun 1, 2026
$142,800 – $274,800
USD per year

About this role

Microsoft is hiring a principal-level Principal Engineer in the software engineering function based in United States, Washington, Redmond, United States, California, Mountain View, United States, Multiple Locations, Multiple Locations. The posting calls out experience with Python, JavaScript, Java, C. Compensation is listed at $142,800–$274,800 per year.

Role
Principal Engineer
Function
software engineering
Level
principal
Track
Tech leadership
Employment
Full-time
Location
United States, Washington, Redmond, United States, California, Mountain View, United States, Multiple Locations, Multiple Locations
Department
Software Engineering
Posted
Jun 1, 2026

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Job description

from Microsoft careers
Overview
Are you looking for opportunities to deliver innovations to hundreds of millions of users that impact their daily life? Do you want to be part of a fast-cycle, highly competitive, and hardcore AI/ML frameworks team with ambitious goals to advance AI technology?
 
The AI Frameworks team at Microsoft develops software that pushes the cutting edge of performance and experience in machine learning in production and research. We bridge the gap between the latest state-of-the-art AI models and hardware eco-systems. We build software to enable running AI models everywhere, from the world’s fastest super cloud computers, to servers, desktops, mobile phones, IoT devices, and internet browsers. The framework we develop is powering AI experience for all major Microsoft products, such as Windows, Office, Microsoft 365, Bing, SQL Server, VSCode, Cognitive Service, Copilot+ PC, and many others.
 
As the Principal Software Engineer on our team, you would have the opportunity to work on:
  • ONNX: an open standard format for representing AI models, enabling AI developers to work on AI models with a variety of frameworks, tools, runtimes, and compilers.
  • ONNX Runtime: ONNX based cross-platform, high performance ML inferencing and training accelerator.
  • Foundry Local: an on-device AI inference solution offering performance, privacy, customization, and cost advantages. It integrates seamlessly into your existing workflows and applications through an intuitive CLI, SDK, and REST API.
    • This is an excerpt. Read the full job description on Microsoft careers →
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