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Julius AI

Software Engineer - Infrastructure (Mid - Senior)

  • Seen live on Julius AI's site 2 days ago
  • Senior
Pay
$150k to $200k a year USD
Location
San Francisco, CA
Open for
17+ days
First seen
Oct 18, 2026
Apply on Julius AI's site (opens in a new tab)

Posting record

No flags

Open 17+ days

The posting's record, oldest first
  1. Julius AI's site dates the posting
  2. Ghostless first sees this listing
  3. Last checked: still up
How we know

It hasn't been reposted, listed twice, or left up unusually long, and the posting doesn't say it's a talent pool.

Ghostless records the day it first sees a posting, so a repost can't reset its age. This one was already up when Ghostless started tracking Julius AI, so its true age is longer.

Last checked Nov 3, 2026.

How well do you match?

See how much of this posting your resume shows, and what it's missing.

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What the posting discloses

Pay
$150k to $200k a year USD

Not stated: Real vacancy, AI screening.

Why these three

Ontario requires postings from employers with 25 or more staff to state the pay, whether the vacancy exists, and whether AI screens applicants.

Skills mentioned

About the role

Compensation: Competitive base salary and meaningful equity

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.

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.

What You’ll Do

  • 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.

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).
  • You’ve built an AI side project and enjoy tinkering with LLMs.

Why Julius

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

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