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Anthropic

Research Engineer, Search and Knowledge

Anthropic

. Own a research direction for search post-training problems .

Posted 5/1/2026full-timeSan Francisco • California, New York • 🇺🇸 United StatesMid-LevelSenior💰 $500,000 - $850,000 per yearWebsite

Tech Stack

Tools & technologies
Python

About the role

Key responsibilities & impact
  • Own a research direction for search post-training problems
  • Build instrumentation for controlled experiments
  • Design evaluations to distinguish reasoning over evidence
  • Drive optimization rigor across the stack
  • Collaborate with researchers across various teams
  • Set the bar for experimental standards

Requirements

What you’ll need
  • Bachelor’s degree or an equivalent combination of education, training, and/or experience
  • An unusually rigorous, quantitative mindset
  • Outstanding software engineering skills in Python
  • Experience with real ML research
  • Familiarity with ablations, controls, and confidence intervals
  • Ability to operate well with high autonomy and ambiguity
  • Strong communication skills in research

Benefits

Comp & perks
  • Competitive compensation and benefits
  • Optional equity donation matching
  • Generous vacation and parental leave
  • Flexible working hours
  • Lovely office space for collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Pythonmachine learningexperimental designdata analysisquantitative researchoptimizationablationscontrolsconfidence intervals
Soft Skills
quantitative mindsetcommunication skillsautonomyability to handle ambiguitycollaboration
Certifications
Bachelor’s degree