Numeric
Software Engineer, Developer Infrastructure
$150K–$290K
San Francisco · On-site · Full-time · Posted Sep 14, 2026
- Experience
- 3+ years of software engineering experience, including significant time on infrastructure, platform, or developer-productivity work.
About the job
Build and maintain developer infrastructure and internal tools that help engineers and AI agents develop, test, and safely deploy software.
What you'll do
- Improve deployment workflows, including gated releases, schema migrations with rollback, and staging-to-production promotion.
- Build reliable development environments, infrastructure-as-code practices, observability, security, and internal developer tools.
- Develop agent-first infrastructure, including MCP gateways, governance, and hosting for internal AI tools.
What they ask for
- Significant experience in infrastructure, platform, or developer-productivity work.
- Confidence with AWS, infrastructure-as-code (Terraform/OpenTofu or similar), CI/CD systems, and Linux/container fundamentals.
- Strong general-purpose programming skills, primarily TypeScript and Python where appropriate.
Nice to have
- Experience with Spacelift, Atlantis, Datadog, Firetiger, Chronosphere, GitHub Actions, or Buildkite.
- Experience with incident management, SLAs, site reliability at very high traffic, or supporting non-engineer contributors.
Pay
USD 150K – 290K base salary
Tools
AWS (ECS, RDS, S3), OpenTofu/Terraform, Spacelift, GitHub Actions, Datadog, TypeScript / Node, Postgres, ClickHouse
AI focus
Build agent-first development infrastructure, including MCP gateways, governance, cost management, foundation model selection, and hosting for internal AI tools.
Model-written summary · the original posting is authoritative