Cogent Security
Software Engineer - Developer Experience
$100K–$300K
San Francisco, CA +1 · Hybrid · Full-time · Posted Sep 14, 2026
- Location
- San Francisco, CA
New York, NY - Experience
- 2–4 years at an AI startup, plus 2–4 years at a successful high-growth tech company.
About the job
Build and operate developer delivery infrastructure that enables engineers and AI agents to securely build, test, deploy, and verify code in production.
What you'll do
- Build an agent development experience for autonomous building, deployment, testing, and verification.
- Build a self-hosted software builder as a secure GitHub Actions Runner alternative that meets compliance requirements.
- Adopt and operate a solution for secure infrastructure provisioning.
What they ask for
- Deep experience with CI/CD and build systems, including GitHub Actions, Harness, or Spacelift.
- Strong infrastructure-as-code skills with Terraform.
- Comfort working with Claude Code and Codex.
- Experience comprising 2–4 years at an AI startup plus 2–4 years at a successful high-growth tech company.
Nice to have
- Self-hosting experience across GitHub and ECR; build tooling experience with Pants, uv, e2b, or pico.
- Artifactory, prior startup founder experience, or a secondary specialty in Application Security.
Pay
USD $100,000 - $300,000 annually (base salary)
Tools
GitHub Actions, Harness, Spacelift, Terraform, Claude Code, Codex, GitHub, ECR
AI focus
Build infrastructure that enables AI agents to build, deploy, test, and verify code autonomously.
Model-written summary · the original posting is authoritative