Microsoft

Principal Software Engineer - AI Infrastructure

United States, Washington, Redmond
Salary
$142,800 - $274,800 per year
Level
Principal
Work type
On-site · Washington

Not stated in the posting: visa.

Open. First seen 26 October 2026.

Apply on apply.careers.microsoft.com →

About the role

Overview We are looking for a Principal Software Engineer to advance the reliability and observability architecture of a large-scale, globally distributed AI platform. You will set technical direction and solve complex challenges across runtime, routing, capacity…

Read the full posting on apply.careers.microsoft.com

What this role asks for

Particular to this role

Machine Learning

Rare in Microsoft's other 93 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Microsoft's other open jobs.

The team: Software Engineering NEW TEAM

This team is new: its 56 open roles were posted Oct 12–21, and Microsoft had none in it before. You would be one of its first people.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

C# (56 of 56), C++ (55 of 56), Java (55 of 56), Python (54 of 56), C (53 of 56), JavaScript (51 of 56), Azure (37 of 56)

OTHER ROLES ON THIS TEAM

From the team and dates on Microsoft's own job board.

See Software Engineer salaries in the United States →

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