Hybrid Staff Full-Stack Engineer

Posted last month

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About the role

  • Staff engineer shaping core features of Promptfoo, an AI security testing platform for enterprises. Mentor team members while enhancing engineering standards and technical solutions.

Responsibilities

  • Chat with ML, security, and DevOps teams to map pain points
  • Turn feedback into concise specs and quick prototypes
  • Build React UI, Node.js/TypeScript APIs, and Python plug-ins
  • Own end-to-end delivery from design to docs
  • Add tests, refine types, and optimize evaluation pipelines
  • Improve CI/CD, linting, and release automation
  • Mentor mid-level and senior engineers through code reviews, pair programming, and technical guidance
  • Set technical standards and best practices that elevate the entire engineering team
  • Lead architectural discussions and help the team navigate complex technical decisions
  • Foster a culture of learning through documentation, internal tech talks, and knowledge sharing
  • Review community PRs, mentor contributors, and polish docs
  • Demo new features in GitHub issues, Discord, and webinars

Requirements

  • 6+ years building production software with staff-level impact
  • Strong TypeScript plus comfort with React, Node.js, and SQL
  • Experience shipping or integrating LLM-powered systems
  • Track record of open-source contribution or maintenance
  • Habit of writing tests and leaving code cleaner than you found it
  • Clear written and verbal communication; enjoy talking with customers
  • Thrive on ownership and quick iteration in an early-stage startup
  • Experience mentoring engineers and raising team capabilities through code reviews and technical guidance
  • Demonstrated ability to lead technical initiatives and influence engineering culture
  • Nice-to-Haves
  • Python, Rust, or Go experience
  • Background in security, red teaming, or developer tooling
  • Experience scaling event-driven or queue-based systems

Benefits

  • High Ownership: Drive product direction and architecture for a category-defining platform
  • Visible Impact: Your code ships to thousands of developers the same day
  • Learning: Work at the cutting edge of AI security and LLM evaluation
  • Culture: Remote-first, test-driven, community-minded team that values clean code
  • Leadership: Shape engineering standards and mentor talented engineers in a growing team

Job title

Staff Full-Stack Engineer

Job type

Experience level

Lead

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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