Software Engineer - Infrastructure (Mid - Senior)

United States·San Franciscofull-timesenior

Software EngineerSoftware Engineering

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Quick Summary

Overview

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.

Key Responsibilities

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.

Requirements Summary

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).

Technical Tools

awsazuredockergcpgrafanakubernetesnotionprometheusterraformvercelnetworkingsecurity-best-practices

What We Offer

~1 min read

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.

Responsibilities

~1 min read

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Design and operate secure, multi‑tenant container infrastructure with fast startup and smart autoscaling.
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Ship cloud deployments (Helm/Terraform) with SSO, network controls, and audit logging.
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Drive observability (metrics, traces, logs) with clear SLOs; lead incident response.
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Optimize images, scheduling, networking, and cost ; build fair‑use and rate‑limiting controls.

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).

Nice to Have

~1 min read

gVisor/Kata/Firecracker; Cilium/eBPF; GPU scheduling; serverless autoscaling (KEDA/Knative/Karpenter).
You’ve built an AI side project and enjoy tinkering with LLMs.

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