<?xml version="1.0" encoding="UTF-8"?>
<source>
  <jobs>
    <job>
      <externalid>2f6cacd9-82a</externalid>
      <Title>Principal Machine Learning Engineer</Title>
      <Description><![CDATA[<p>As a Principal Machine Learning Engineer at Microsoft AI, you will work on the Data Labeling and classification on large scale multi modal Copilot data part of the Microsoft AI (MAI) organization.</p>
<p>We&#39;re looking for a hands-on ML engineer to prototype and productionize complex classification flows on real production logs, operate prompted classifiers at scale (ad hoc and scheduled), and build secure, compliant data-labeling pipelines.</p>
<p>Responsibilities:</p>
<ul>
<li>Build evaluation loops (precision/recall, calibration, drift, human-in-the-loop) and publish dashboards/SLOs.</li>
<li>Generalize machine learning (ML) solutions into repeatable frameworks.</li>
<li>Operationalize prompted classifiers at scale (batch &amp; streaming), including orchestration, autoscaling, monitoring, and cost guardrails.</li>
<li>Conduct thorough review of data analysis and techniques used to summarize the process review and highlight areas that have been missed or need re-examining.</li>
<li>Collaborate cross-functionally with DS, Security, and Platform to define schemas, access patterns, and governance.</li>
<li>Independently write efficient, readable, extensible code and model pipelines.</li>
</ul>
<p>Qualifications:</p>
<ul>
<li>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.</li>
<li>7+ years’ experience writing production-quality Python or Java or Scala code.</li>
<li>5+ years’ experience in distributed systems design and implementation of large scale data processing systems</li>
<li>3+ years’ experience building ML data pipelines using atleast one of AML, Promptflow, Langchain or LangGraph</li>
<li>Demonstrated interest in Responsible AI.</li>
<li>Experience prompting, evaluating, and working with large language models.</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>senior</Experiencelevel>
      <Workarrangement>hybrid</Workarrangement>
      <Salaryrange>$139,900 – $274,800 per year</Salaryrange>
      <Skills>C, C++, C#, Java, JavaScript, Python, AML, Promptflow, Langchain, LangGraph, Python, Java, Scala</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Microsoft AI</Employername>
      <Employerlogo>https://logos.yubhub.co/microsoft.ai.png</Employerlogo>
      <Employerdescription>Microsoft is a multinational technology company that develops, manufactures, licenses, and supports a wide range of software products, services, and devices.</Employerdescription>
      <Employerwebsite>https://microsoft.ai</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://microsoft.ai/job/principal-machine-learning-engineer/</Applyto>
      <Location>New York</Location>
      <Country></Country>
      <Postedate>2026-03-08</Postedate>
    </job>
    <job>
      <externalid>8b1c651a-91e</externalid>
      <Title>Principal Machine Learning Engineer</Title>
      <Description><![CDATA[<p>As a Principal Machine Learning Engineer at Microsoft AI, you will work on the Data Labeling and classification on large scale multi modal Copilot data. We&#39;re looking for a hands-on ML engineer to prototype and productionize complex classification flows on real production logs, operate prompted classifiers at scale (ad hoc and scheduled), and build secure, compliant data-labeling pipelines. We&#39;re looking for someone with experience in data pipelines, data science, and machine learning, as well as a strong communicator and great teammate. The right candidate takes the initiative and enjoys building world-class consumer experiences and products in a fast-paced environment.</p>
<p>Responsibilities:</p>
<ul>
<li>Build evaluation loops (precision/recall, calibration, drift, human-in-the-loop) and publish dashboards/SLOs.</li>
<li>Generalize machine learning (ML) solutions into repeatable frameworks.</li>
<li>Operationalize prompted classifiers at scale (batch &amp; streaming), including orchestration, autoscaling, monitoring, and cost guardrails.</li>
<li>Conduct thorough review of data analysis and techniques used to summarize the process review and highlight areas that have been missed or need re-examining.</li>
<li>Collaborate cross-functionally with DS, Security, and Platform to define schemas, access patterns, and governance.</li>
<li>Independently write efficient, readable, extensible code and model pipelines.</li>
<li>Commit to a customer-oriented focus by acknowledging customer needs and perspectives, validating customer perspectives, focusing on broader customer context, and serving as a trusted advisor.</li>
</ul>
<p>Qualifications:</p>
<ul>
<li>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.</li>
<li>7+ years’ experience writing production-quality Python or Java or Scala code.</li>
<li>5+ years’ experience in distributed systems design and implementation of large scale data processing systems</li>
<li>3+ years’ experience building ML data pipelines using atleast one of AML, Promptflow, Langchain or LangGraph</li>
<li>Demonstrated interest in Responsible AI.</li>
<li>Experience prompting, evaluating, and working with large language models.</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>senior</Experiencelevel>
      <Workarrangement>hybrid</Workarrangement>
      <Salaryrange>USD $139,900 – $274,800 per year</Salaryrange>
      <Skills>C, C++, C#, Java, JavaScript, Python, AML, Promptflow, Langchain, LangGraph, Python, Java, Scala</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Microsoft AI</Employername>
      <Employerlogo>https://logos.yubhub.co/microsoft.ai.png</Employerlogo>
      <Employerdescription>Microsoft AI is a part of the Microsoft organisation, a multinational technology company that develops, manufactures, licenses, and supports a wide range of software products, services, and devices.</Employerdescription>
      <Employerwebsite>https://microsoft.ai</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://microsoft.ai/job/principal-machine-learning-engineer-2/</Applyto>
      <Location>Redmond</Location>
      <Country></Country>
      <Postedate>2026-03-08</Postedate>
    </job>
    <job>
      <externalid>1d0bc5b0-316</externalid>
      <Title>Principal Machine Learning Engineer</Title>
      <Description><![CDATA[<p>As a Principal Machine Learning Engineer at Microsoft AI, you will work on the Data Labeling and classification on large scale multi modal Copilot data part of the Microsoft AI (MAI) organization.</p>
<p>We’re looking for a hands-on ML engineer to prototype and productionize complex classification flows on real production logs, operate prompted classifiers at scale (ad hoc and scheduled), and build secure, compliant data-labeling pipelines.</p>
<p>Responsibilities:</p>
<ul>
<li>Build evaluation loops (precision/recall, calibration, drift, human-in-the-loop) and publish dashboards/SLOs.</li>
<li>Generalize machine learning (ML) solutions into repeatable frameworks.</li>
<li>Operationalize prompted classifiers at scale (batch &amp; streaming), including orchestration, autoscaling, monitoring, and cost guardrails.</li>
<li>Conduct thorough review of data analysis and techniques used to summarize the process review and highlight areas that have been missed or need re-examining.</li>
<li>Collaborate cross-functionally with DS, Security, and Platform to define schemas, access patterns, and governance.</li>
<li>Independently write efficient, readable, extensible code and model pipelines.</li>
</ul>
<p>Commit to a customer-oriented focus by acknowledging customer needs and perspectives, validating customer perspectives, focusing on broader customer context, and serving as a trusted advisor.</p>
<p>Qualifications:</p>
<ul>
<li>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.</li>
<li>7+ years’ experience writing production-quality Python or Java or Scala code.</li>
<li>5+ years’ experience in distributed systems design and implementation of large scale data processing systems</li>
<li>3+ years’ experience building ML data pipelines using atleast one of AML, Promptflow, Langchain or LangGraph</li>
<li>Demonstrated interest in Responsible AI.</li>
<li>Experience prompting, evaluating, and working with large language models.</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>senior</Experiencelevel>
      <Workarrangement>hybrid</Workarrangement>
      <Salaryrange>$139,900 – $274,800 per year</Salaryrange>
      <Skills>C, C++, C#, Java, JavaScript, Python, Responsible AI, Large language models, Python, Java, Scala, AML, Promptflow, Langchain, LangGraph</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Microsoft AI</Employername>
      <Employerlogo>https://logos.yubhub.co/microsoft.ai.png</Employerlogo>
      <Employerdescription>Microsoft is a multinational technology company that develops, manufactures, licenses, and supports a wide range of software products, services, and devices. It is one of the largest and most successful technology companies in the world.</Employerdescription>
      <Employerwebsite>https://microsoft.ai</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://microsoft.ai/job/principal-machine-learning-engineer-3/</Applyto>
      <Location>Mountain View</Location>
      <Country></Country>
      <Postedate>2026-03-08</Postedate>
    </job>
  </jobs>
</source>