Senior Product Engineer - Remote

Overview

Promptfoo is the leading AI security testing platform, trusted by 90,000+ developers to build secure, reliable AI applications. Backed by Andreessen Horowitz, we equip the world's largest enterprises with automated red teaming, vulnerability scanning, and continuous monitoring for LLM-based systems.

In Short

• Hiring a Senior Product Engineer to shape core features and scale an open-source toolkit.
• Engage with users and scope solutions across the stack.
• Build React UI, Node.js/TypeScript APIs, and Python plug-ins.
• Own end-to-end delivery from design to documentation.
• Add tests and optimize evaluation pipelines.
• Improve CI/CD, linting, and release automation.
• Review community PRs and mentor contributors.
• Demo new features in various platforms.
• Drive product direction and architecture.
• Remote-first culture valuing clean code.

Requirements

• 6+ years of experience in production software.
• Strong TypeScript and comfort with React, Node.js, and SQL.
• Experience with LLM-powered systems.
• Track record in open-source contribution.
• Habit of writing tests and improving code quality.
• Excellent communication skills.
• Ability to thrive in an early-stage startup.
• Nice-to-haves include Python, Rust, or Go experience.
• Background in security or developer tooling is a plus.
• Experience with event-driven systems is beneficial.

Benefits

• Drive product direction and architecture.
• Visible impact with code shipping to thousands.
• Work at the cutting edge of AI security.
• Join a remote-first, community-minded team.