Microsoft

Principal Software Engineer, ML & Distributed Systems

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 29 October 2026.

Apply on apply.careers.microsoft.com →

About the role

Overview We are looking for a Principal Software Engineer to design, build, and operationalize machine learning systems and hyperscale distributed services that power Microsoft's AI experiences. This is a role for an engineer who is equally at home training and shipping ML…

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

What this role asks for

Particular to this role

Deep Learning · Kubernetes · Prompt Engineering · RAG · Redis

Rare in Microsoft's other 299 open postings.

Standard for data science / ML roles

LLM · Machine Learning · Python

Common in data science / ML postings at any company.

Compared with Microsoft's other open jobs.

The team: Software Engineering HIRES STEADILY

This role is one of 250 open in Software Engineering. 167 were posted in the last 30 days and the oldest in January: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

C++ (232 of 250), Python (230 of 250), C# (224 of 250), Java (219 of 250), C (217 of 250), JavaScript (207 of 250), Azure (148 of 250)

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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