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Principal Software Engineer

Microsoft

$139,900 - $304,200
Sep 17, 2025
Redmond, WA, USA • Mountain View, CA, USA
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Microsoft Advertising is looking to optimize ad performance for advertisers by improving their bidding strategies and auction mechanisms through algorithm development, optimization, and experimental analysis. The company aims to increase revenue across Bing Ads by enhancing their next-generation bidding platform and algorithms.

Requirements

  • 4+ years of experience developing and deploying large-scale distributed systems in production environments.
  • 3+ years of hands-on experience in machine learning operations (MLOps), including pipeline automation, monitoring, and lifecycle management.
  • 2+ years of hands-on experience with large-scale streaming platforms such as Apache Spark or Flink.
  • coding in languages including, but not limited to, Java, Python or C
  • hands-on experience with large-scale streaming platforms
  • experience in machine learning operations (MLOps)
  • experience developing and deploying large-scale distributed systems

Responsibilities

  • Drive the end-to-end design and implementation of infrastructure requirements for supporting our next-generation bidding platform and algorithms.
  • Implement, optimize, debug, refactor, and reuse code to establish and improve performance and maintainability, effectiveness, and return on investment.
  • Implement large-scale data validation and quality assurance frameworks to ensure accuracy and consistency across all data inputs and outputs.
  • Act as a Designated Responsible Individual (DRI) and guide other engineers by developing and following the playbook, working on call to monitor the bidding platform for degradation, downtime, or interruptions, alert stakeholders about status and initiate actions to restore the service for simple and complex problems when appropriate.
  • Proactively seek new knowledge and adapt to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of our bidding platform while also driving consistency in monitoring and operations at scale.
  • Collaborate closely with data scientists and engineers to determine requirements for supporting any new feature for our bidding platform.
  • Design the platform to align with advertiser product requirements, ensuring high-quality, timely delivery of features and enhancements.

Other

  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50-mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.
  • Microsoft is an equal opportunity employer.
  • If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.