SiftStack
Software Engineer, Developer Experience (AI Infrastructure)
$180K–$230K
Marina Del Rey, CA +1 · Hybrid · Full-time · Posted Oct 21, 2026
- Location
- Marina Del Rey, CA
San Francisco, CA - Experience
- 6+ years of professional software engineering experience.
- Visa sponsorship
- Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee, in compliance with ITAR / EAR regulations.
About the job
Build and own developer infrastructure and testing environments that help engineers and AI coding agents test, debug, and validate software changes.
What you'll do
- Provision isolated, production-like testing environments and support integration, correctness, load, and performance testing.
- Build and optimize CI/CD pipelines, build systems, deployment automation, and realistic data-generation tooling.
- Enable AI coding agents to use testing environments and autonomously execute tests and validate code changes.
What they ask for
- 6+ years of professional software engineering experience, with significant experience in developer infrastructure, test infrastructure, platform engineering, or developer tooling.
- Hands-on experience with Docker, Kubernetes, build systems, and deploying applications to cloud platforms such as AWS, GCP, or Azure.
- Experience building or automating developer infrastructure, deployment systems, or testing environments, and optimizing CI/CD pipelines and infrastructure provisioning.
- Strong software engineering and programming skills, preferably in Go or Python.
Nice to have
- Experience with ephemeral or on-demand development and testing environments, load or performance testing, or distributed test execution.
- Experience with Playwright or Cypress, sandboxed environments or AI-agent infrastructure, or developer infrastructure at a fast-scaling technology company, cloud platform, or compute provider.
Pay
USD $180,000 - $230,000 per year (base salary); USD $180K – $230K (compensation; type not specified)
Tools
Docker, Kubernetes, AWS, GCP, Azure, Go, Python, GitHub Actions
AI focus
Build infrastructure that lets AI coding agents interact with testing environments, execute tests, debug, and autonomously validate code changes.
Model-written summary · the original posting is authoritative