Startups · AI

Software Engineer - Infrastructure (Mid - Senior)

Julius · San Francisco, CA · On-site

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About Julius

Research complex topics, analyze data, and create presentations, dashboards, websites, images, and video in one AI workspace. Backed by Y Combinator, AI Grant and Techstars.

About the role

Build and scale the code‑execution sandboxes that power Julius across cloud environments (AWS and GCP). We orchestrate 500k+ containers/month and growing. You’ll own reliability, performance, and security for multi‑tenant compute. Design and operate secure, multi‑tenant container infrastructure with fast startup and smart autoscaling.

What they're looking for

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

Benefits: Health & dental insurance, gym reimbursement, daily team meals, commuter benefits

We’re an applied AI lab building coding agents. Julius executes ~1M lines of code every 36 hours for 1M+ users and has generated 3M+ visualizations. All code runs in code sandboxes ( isolated remote containers ) that we manage. We’re revenue‑generating and backed by AI Grant, YCombinator, Bessemer Venture Partners and the founders from Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, and Dropbox.

Build and scale the code‑execution sandboxes that power Julius across cloud environments (AWS and GCP). We orchestrate 500k+ containers/month and growing. You’ll own reliability, performance, and security for multi‑tenant compute.

Design and operate secure, multi‑tenant container infrastructure with fast startup and smart autoscaling.

Ship cloud deployments (Helm/Terraform) with SSO, network controls, and audit logging.

Drive observability (metrics, traces, logs) with clear SLOs; lead incident response.

Optimize images, scheduling, networking, and cost ; build fair‑use and rate‑limiting controls.

Production Kubernetes and container internals (Docker/containerd); strong networking...

Read the full posting on Julius's site ↗

Engineering

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