Prompt Engineer, Agent Prompts & Evals
AnthropicSan Francisco, California, United States • New York, New York, United States
Posted February 3, 2026
320000 - 405000 USD
Full Time
About the Company
Anthropic is a public benefit corporation headquartered in San Francisco, working to create reliable, interpretable, and steerable AI systems.
Job Description
Anthropic is looking for a Prompt Engineer to help build AI-first products, features, and evaluations. The role involves designing, testing, and optimizing system prompts and feature-specific prompts to shape Claude's behavior. The ideal candidate will have experience with LLMs and prompt engineering, strong written and verbal communication skills, and the ability to manage multiple concurrent projects.
Requirements
- 5+ years of software engineering experience with Python or similar languages
- Demonstrated experience with LLMs and prompt engineering
- Strong understanding of evaluation methodologies and metrics for AI systems
- Excellent written and verbal communication skills
- Ability to manage multiple concurrent projects and prioritize effectively
Benefits
- Generous Paid Time Off
- Flexible working hours
- Optional equity donation matching
- Generous vacation and parental leave
- Competitive compensation