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Microsoft AI

Principal Software Engineer, Ads Systems

Microsoft AI
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hybrid senior full-time USD $142,800 – $274,800 per year Redmond, Washington

First indexed 1 Aug 2026

Description

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.

As a Principal Software Engineer and member of the Ads Systems team, you would help build highly scalable, highly performant services which host state-of-the-art machine learning models.

Responsibilities

  • Collaborate with BingAds stakeholders to determine requirements for new features to drive up Ads business.
  • Create system designs for feature requirements.
  • Ensure systems meet security and compliance requirements.
  • Implement features with high efficiency, extensibility, diagnosability, reliability, and maintainability.
  • Review code to assure it meets the team’s and Microsoft’s quality standards.
  • Maintain operations of live service as issues arise on a rotational, on-call basis.
  • Identify solutions and mitigations to simple and complex issues.
  • Act as a Designated Responsible Individual (DRI) working on call to monitor system/product feature/service.
  • Respond within Service Level Agreement (SLA) timeframe.
  • Escalate issues to appropriate owners.
  • Build knowledge, share new ideas, and pinpoint engineering tool gaps.
  • Contribute to the development of automation within production and deployment.
  • Profile and analyze distributed system performance and capacity bottlenecks.
  • Propose and implement solutions to improve system latency and capacity.

Qualifications

  • Bachelor’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python.
  • Experience in distributed system engineering, multi-threading programming, machine learning, and online system design.

The typical base pay range for this role across the U.S. is USD $142,800 – $274,800 per year.

This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://microsoft.ai/job/principal-software-engineer-ads-systems/