Research Engineer, Search and Knowledge Post-Training

<div class="content-intro"><h2><strong>About Anthropic</strong></h2> <p>Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.</p></div><p><strong>About the role</strong></p> <p>We want future AI systems to have superhuman epistemics: the ability to parse evidence at enormous scale and draw rigorous conclusions for both itself and the user. Search is the capability that determines whether a model can pick a signal out of noise, weigh conflicting evidence, and know what it doesn't know. Every higher-order capability we care about depends on search being trustworthy. If we want Claude to be a trustworthy collaborator on real knowledge