Greptile
Product Engineer, Security
$170K–$750K
San Francisco · On-site · Full-time · Posted Oct 21, 2026
- Experience
- 1+ years of software or DevOps engineering experience
- Education
- B.S. Computer Science or equivalent degree, undergraduate or higher
About the job
Build Greptile’s customer-facing security product and the agents and infrastructure that investigate vulnerabilities, reproduce findings, verify fixes, and integrate results into developer workflows.
What you'll do
- Build security product features, including codebase scanning, a security-focused PR bot, continuous pentesting, and security testing tools.
- Improve agents’ ability to understand codebases, investigate and reproduce vulnerabilities, and help developers fix them.
- Build vulnerability testing and validation infrastructure, and integrate findings into pull requests, CI pipelines, and engineering workflows.
What they ask for
- B.S. Computer Science or equivalent degree, undergraduate or higher
- 1+ years of software or DevOps engineering experience
- Experience with JavaScript/TypeScript
- Security engineering or research experience, such as source-code auditing, offensive security, application security, original bug bounty findings, or strong CTF performance
Nice to have
- Experience building security products
- Experience building LLM-powered tools and agents
Pay
$170K – $300K USD base salary; $300K – $750K USD equity
Tools
JavaScript/TypeScript
AI focus
Build and improve agents that investigate, validate, and reproduce vulnerabilities, verify fixes, understand codebases, and potentially use AI-generated E2E tests.
Model-written summary · the original posting is authoritative