Microsoft

Principal Software Engineer - Microsoft Substrate Data Plane team M365 Copilot App

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 27 October 2026.

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About the role

Overview The Microsoft Substrate Data Plane team powers the foundational services that enable Microsoft 365 experiences at planetary scale. Our platform processes and serves billions of signals, messages, documents, and interactions across Exchange, Teams, Copilot, and emerging…

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

What this role asks for

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 HIRES STEADILY

This role is one of 148 open in Software Engineering. 102 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

Python (141 of 148), C++ (140 of 148), C# (137 of 148), Java (135 of 148), C (133 of 148), JavaScript (126 of 148), Azure (89 of 148)

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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