Mirrai Careers
Resume BuilderCareer Test
InsightsPricing
Get Started Free
Jobs/Software Engineer - Infrastructure (Mid - Senior)

Software Engineer - Infrastructure (Mid - Senior)

julius

San Francisco, CA Full-time$150k–$200k / year Posted 4w ago
Market rate. This role pays around the $215k median for similar USD roles (526 comparable postings in our corpus).
Apply on company site
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.

See how well you match this job

Upload your resume and we’ll score your fit for this role and 6 similar roles — then tailor your CV to it with AI. Free, no credit card.

Check your match

Similar jobs

  • Software Engineer, Infrastructure – San Francisco

    flowengineering

    San Francisco$190k–$280k
  • Senior Infrastructure Engineer

    Bland AI

    San Francisco$120k–$200k
  • Software Engineer, Agent Infrastructure

    OpenAI

    San Francisco$230k–$385k
  • Staff Software Engineer, Infrastructure

    f2-ai

    Remote$200k–$300k
  • Software Engineer, Infrastructure

    Sierra

    San Francisco, CA$230k–$390k
  • Software Engineer, Cloud Infrastructure

    OpenAI

    San Francisco$230k–$490k
Apply on company site

Want more roles like this? Browse fresh jobs or tailor your resume with AI.

Mirrai Careers

AI-powered career platform: build resumes, match jobs, and plan your career.

Product

  • All Tools
  • Resume Builder
  • Career Test
  • Pricing

Legal

  • Privacy Policy
  • Terms of Service
  • Fair Use Policy

Company

MIRRAI CHAT LTD (Company No. 16403306)

71-75 Shelton Street, Covent Garden

London, WC2H 9JQ, UNITED KINGDOM

[email protected]

© 2026 Mirrai Careers. All rights reserved.