<?xml version="1.0" encoding="UTF-8"?>
<source>
  <jobs>
    <job>
      <externalid>61824d1d-f00</externalid>
      <Title>Search Senior Machine Learning Engineer</Title>
      <Description><![CDATA[<p>Perplexity is seeking an experienced Senior Machine Learning Engineer to help build the next generation of advanced search technologies, with a focus on retrieval and ranking.</p>
<p><strong>What you&#39;ll do</strong></p>
<p>As a Senior Machine Learning Engineer, you will be responsible for pushing search quality forward through models, data, tools, or any other leverage available.</p>
<ul>
<li>Relentlessly push search quality forward—through models, data, tools, or any other leverage available</li>
<li>Architect and build core components of our search platform and model stack</li>
<li>Train and evaluate retrieval, ranking and classification models, including LLMs</li>
<li>Deploy models - from boosting to LLMs - in a scalable and performant way</li>
<li>Build and optimise RAG pipelines for grounding and answer generation</li>
<li>Collaborate with Data, AI, Infrastructure and Product teams to ensure fast and high quality delivery</li>
</ul>
<p><strong>What you need</strong></p>
<ul>
<li>Deep understanding of search and retrieval systems, including quality evaluation principles and metrics</li>
<li>Proven track record with large-scale search or recommender systems</li>
<li>Self-driven, with a strong sense of ownership and execution</li>
<li>Minimum of 5 years of working on search or recsys-related projects</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></Salaryrange>
      <Skills>deep understanding of search and retrieval systems, proven track record with large-scale search or recommender systems, self-driven, with a strong sense of ownership and execution</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Perplexity</Employername>
      <Employerlogo>https://logos.yubhub.co/perplexity.com.png</Employerlogo>
      <Employerdescription>Perplexity is a company that is seeking an experienced Senior Machine Learning Engineer to help build the next generation of advanced search technologies.</Employerdescription>
      <Employerwebsite>https://jobs.ashbyhq.com</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://jobs.ashbyhq.com/perplexity/0190699f-010b-44f2-8399-278899fef018</Applyto>
      <Location>Belgrade, Berlin, London</Location>
      <Country></Country>
      <Postedate>2026-03-04</Postedate>
    </job>
  </jobs>
</source>