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Research Engineer, Agents

Anthropic

$315,000 - $425,000
Nov 3, 2025
Remote, US
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Anthropic is looking to improve the performance and capabilities of their AI system, Claude, in handling complex tasks and agentic systems.

Requirements

  • Significant ML and software engineering experience
  • High level familiarity with the architecture and operation of large language models
  • Extensive prior experience exploring and testing language model behavior
  • Experience prompting and/or building products with language models
  • Experience with developing complex agentic systems using LLMs
  • Experience with large-scale RL on language models
  • Experience with multi-agent systems

Responsibilities

  • Finetune new capabilities into Claude that maximize Claude’s performance or ease of use on agentic tasks
  • Ideate, develop, and compare the performance of different tools for agents
  • Systematically discover and test prompt engineering best practices for agents
  • Develop automated techniques for designing and evaluating agentic systems
  • Assist with automated evaluation of Claude models and prompts across the training and product lifecycle
  • Work with our product org to find solutions to our most vexing challenges applying agents to our products
  • Help create and optimize data mixes for model training

Other

  • Good communication skills and an interest in working with other researchers on difficult tasks
  • Passion for making powerful technology safe and societally beneficial
  • Stay up-to-date and informed by taking an active interest in emerging research and industry trends
  • Enjoy pair programming
  • Bachelor's degree in a related field or equivalent experience
  • Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time