Julius

Software Engineer - Infrastructure (Mid - Senior)

San Francisco, CA. Posted 5 months ago

The role

Build and scale code-execution sandboxes across AWS and GCP. You will own reliability, performance, and security for multi-tenant compute.

What you will do

  • Design and operate secure, multi-tenant container infrastructure with fast startup and smart autoscaling
  • Ship cloud deployments with SSO, network controls, and audit logging
  • Drive observability with clear SLOs
  • Lead incident response
  • Optimize images, scheduling, networking, and cost
  • Build fair-use and rate-limiting controls

Required qualifications

  • Production Kubernetes and container internals (Docker/containerd)
  • Strong networking fundamentals
  • Cloud (AWS/GCP/Azure)
  • IaC (Terraform/Helm)
  • Monitoring/Logging (Prometheus, Grafana, OpenTelemetry, ELK/Vector)
  • Security best practices for containerized, multi-tenant systems

Nice to have

  • gVisor/Kata/Firecracker
  • Cilium/eBPF
  • GPU scheduling
  • serverless autoscaling (KEDA/Knative/Karpenter)
  • Built an AI side project and enjoy tinkering with LLMs

Benefits

  • Health & dental insurance
  • gym reimbursement
  • daily team meals
  • commuter benefits

About the company

Julius is an applied AI lab building coding agents. The company is revenue-generating and backed by AI Grant, YCombinator, Bessemer Venture Partners and founders from Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, and Dropbox.

Software Engineer - Infrastructure (Mid - Senior) at Julius | JobZoey