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Research Engineer, Knowledge Team

Anthropic· AI Research & Engineering
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Hybrid (Remote with travel requirements)$350k - $850kunknownPosted 5mo ago

About the role

Research Engineer role focused on redesigning how Claude interacts with external data sources, designing new information architectures and training LLMs to utilize them effectively.

Responsibilities

  • Designing and implementing from scratch new information architecture strategies
  • Performing finetuning and reinforcement learning to teach language models how to interact with new information architectures
  • Building “hard” knowledge base eval sets to help identify failure modes of how language models work with external data
  • Designing and evaluating advanced agentic search capabilities.

Qualifications

  • Very experienced Python programmer capable of producing reliable, high-quality code
  • Good machine learning research experience
  • Experience developing software that utilizes Large Language Models such as Claude
  • Results-oriented with bias towards flexibility and impact
  • Willingness to pick up slack and pair programming experience
  • Clear written and verbal communication

Skills

Required:PythonMachine LearningLarge Language Models (e.g., Claude)Communication
Nice to have:Software Development

Benefits

  • Competitive compensation and benefits
  • Optional equity donation matching
  • Generous vacation and parental leave
  • Flexible working hours
  • Lovely office space for collaboration
Last updated Jul 8, 2026. Interested? Apply on the company site.

About Anthropic

building reliable, interpretable, and steerable AI systems

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

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