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Promptfoo | Software Engineer | SF Bay Area or Remote (US) | Full-time | https://promptfoo.dev

Promptfoo recently raised $5M in a seed round led by Andreessen Horowitz to help developers identify and fix vulnerabilities in their AI applications. We're a small, dedicated team passionate about AI security and reliability.

Why Promptfoo?

- Impactful Work: Join us in creating the first pentesting product specifically targeting AI applications. We craft malicious inputs, simulate real-world threats, and push LLMs to their limits.

- Open-Source Commitment: We develop everything in the open, prioritizing transparency and community collaboration. Our work is entirely open-source, ensuring everyone can contribute and benefit.

- Perks: Fully remote, async-first culture, competitive salary + equity.

What You'll Do:

- Enhance our core evaluation framework, focusing on AI security.

- Develop features for prompt evaluation and automated red teaming of LLM applications.

- Collaborate with our open-source community and contribute to cutting-edge AI security practices.

- Gain hands-on experience with various LLMs, identifying vulnerabilities and improving robustness.

What We're Looking For:

- Proficiency in TypeScript, React, Node.js, and Python.

- Ability to ship features quickly and prioritize effectively.

- Interest in AI security, developer tools, and open-source contributions.

- Experience with LLM evaluations is a plus.

To Apply: Email careers@promptfoo.dev with "HN" in the subject. Include your GitHub/LinkedIn and a note on why you're excited about Promptfoo. Preference given to applicants with experience contributing to open-source projects.

Help us build the AI red team for everyone and make AI development safer and more reliable!



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