Microsoft

Principal Software Engineer, Online Ads 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 28 October 2026.

Apply on apply.careers.microsoft.com →

About the role

Overview Online Advertising is one of the fastest growing businesses on the Internet today, with about $70 billion of a $600 billion advertising market already online. Search engines, web publishers, major ad networks, and ad exchanges are now serving billions of ad impressions…

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 299 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 HIRES STEADILY

This role is one of 191 open in Software Engineering. 129 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++ (179 of 191), Python (179 of 191), C# (175 of 191), C (170 of 191), Java (170 of 191), JavaScript (161 of 191), Azure (112 of 191)

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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