Senior Software Engineer

1 day ago

San Francisco, CA, United States Julius AI Full time
Senior Software Engineer Infrastructure

Join to apply for the Senior Software Engineer Infrastructure role at Julius AI.

Base pay range

$160,000/yr $200,000/yr

About Julius

Were 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 isolated remote containers that we manage. Were revenue?generating and backed by AI Grant and founders from Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, and Dropbox.

The Role

Build and scale the code?execution platform that powers Juliusacross cloud and on?prem environments. We orchestrate 500k+ containers/month and growing. Youll own reliability, performance, and security for multi?tenant compute.

What Youll Do
  • Design and operate secure, multi?tenant container infrastructure with fast startup and smart autoscaling.
  • Ship on?prem/private 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.
What You Bring
  • 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.
Nice to Have
  • gVisor/Kata/Firecracker; Cilium/eBPF; GPU scheduling; serverless autoscaling (KEDA/Knative/Karpenter).
  • Experience with on?prem or air?gapped enterprise software.
  • Background in AI side projects and LLM tinkering.

Benefits

Health & dental, gym reimbursement, daily team lunches, 401(k).

Why Julius

Small senior team; massive impact surface; hard infra problems at meaningful scale.

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