Developer Experience Engineer, AI Platform & CI/CD

Doist; San Francisco (CA); On-site; USD 100,000 - 300,000; Full time

Job summary

Cogent is hiring a Developer Experience Engineer on our Core Platform team to own the software delivery lifecycle—the build, CI/CD, and provisioning systems that let both engineers and agents ship securely and fast. This is a hands‑on role for someone who has built developer and delivery infrastructure at an AI startup and wants to define how autonomous agents move code to production.

You will build an agent development experience and a self-hosted software builder, a secure GitHub Actions

Qualifications

• 2-4 years at an AI startup, plus 2-4 years at a high-growth tech company.
• Deep experience with CI/CD and build systems.
• Strong infrastructure-as-code skills with Terraform.
• Comfort working in an agent-forward environment with Claude Code and Codex.

Responsibilities

• Build an agent development experience to streamline idea to production.
• Develop a self-hosted software builder and secure GitHub Actions Runner alternative.
• Adopt and operate a solution to provision infrastructure securely.

Skills

CI/CD

GitHub Actions

Harness

Spacelift

Terraform

Claude Code

Codex

Self-hosting

Tools

Pants

uv

e2b

pico

Artifactory

Job description

Cogent is hiring a Developer Experience Engineer on our Core Platform team to own the software delivery lifecycle—the build, CI/CD, and provisioning systems that let both engineers and agents ship securely and fast. This is a hands‑on role for someone who has built developer and delivery infrastructure at an AI startup and wants to define how autonomous agents move code to production.

You will build an agent development experience and a self-hosted software builder, a secure GitHub Actions