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Anthropic

Prompt Engineer, Agent Prompts & Evals

Anthropic

Published 11 May 2026
San Francisco, CA, USA
320K - 405K USD Annual
Full Time

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Role Highlights

Languages used

Python

Key skills

Prompt Engineering
Machine Learning
Computer Science
UX
CICD
LLMs
AI
Infrastructure
API
Research
NLP
Testing
Physics
Biology
Interpretability
Multimodal

Tools, Libraries and Frameworks

HTTP

Description

The role involves building AI-first products, features, and evaluations by bridging the gap between model capabilities and real-world product experiences. Responsibilities include designing, testing, and optimizing system prompts to shape model behavior across consumer and API products. The position requires building and maintaining comprehensive evaluation suites to ensure model quality and consistency during releases. Professionals in this role will collaborate with product, research, and safeguard teams to maintain safety and quality standards. Additionally, the work entails contributing to infrastructure frameworks and mentoring team members on best practices for prompt engineering.

Required Qualifications and Skills

Candidates must possess at least five years of software engineering experience using Python or similar languages. A demonstrated background in LLMs, prompt engineering, and evaluation methodologies is required. Applicants should have strong communication skills and the ability to manage multiple concurrent projects. A bachelor’s degree or an equivalent combination of education, training, and experience is the minimum educational requirement.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Anthropic

Size

265

Public/Private

Privately Held

Description

Anthropic is an AI safety and research company focused on crafting AI systems that are reliable, interpretable, and steerable, ensuring they remain safe and beneficial for users and society. With an interdisciplinary team experienced in machine learning, physics, policy, business, and product development, Anthropic is dedicated to the mission of beneficial AI. The company emphasizes collaborative big science research, leveraging a unified team approach to focus on large-scale research efforts aimed at advancing long-term goals of creating trustworthy AI systems.

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