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Principal Software Engineer - AI Ads

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Microsoft Corporation

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Location:
United States , Mountain View, CA or Redmond, WA

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

139900.00 - 274800.00 USD / Year
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Job Description:

Microsoft AI is looking for a Principal Software Engineer - AI Ads, to shape the future of online advertising. You’ll lead the design and development of large-scale shopping ads infrastructure that powers billions of products worldwide. This is a rare opportunity to work on cutting-edge AI, big data, and deep learning systems while collaborating with world-class scientists and engineers to deliver solutions at massive scale.

Job Responsibility:

  • Lead the design, development, and optimization of large-scale shopping ads infrastructure and algorithms
  • Build and maintain the universal product graph spanning billions of products across multiple languages
  • Develop scalable systems for data ingestion, storage, retrieval, and real-time serving at global scale
  • Apply machine learning (ML), nature language processing (NLP), and deep learning (DL) models to improve ad relevance, personalization, and selection
  • Collaborate with scientists and engineers across Microsoft AI to translate research into production systems
  • Drive innovation by identifying technical opportunities that align with Microsoft’s Commerce Strategy
  • Mentor and guide engineers, fostering technical competence and collaboration across the team

Requirements:

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 4+ years of industrial experience building large scale systems and supporting AI models
  • 2+ years of experience with deep learning frameworks (e.g., PyTorch, TensorFlow), LLMs/SLMs, and AI Agents
  • 2+ years of experience with cloud services, large-scale big data platforms, and streaming/real-time frameworks (e.g., Kafka, Flink, Spark Streaming), and AI infrastructure development
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have:

  • Committed background in computational advertising, recommender systems, or search engines
  • Demonstrated ability to translate high-level vision into detailed, high-quality design and implementation
  • skilled at integrating both quantitative and qualitative data into decision-making, and effective in both independent and collaborative settings
  • Passion for innovation, solving complex problems, and optimizing systems
  • Committed to learning and adept at adopting and applying the latest AI technologies to day-to-day work
  • Proficient background in computational advertising, recommender systems, or search engines

Additional Information:

Job Posted:
March 01, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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