Senior GPU Sandbox Engineer - Serverless AI Compute

Recruiting From Scratch; San Francisco (CA); On-site; USD 210,000 - 285,000; Full time

Benefits offered by this job

Competitive base salary plus equity

Location options: San Francisco or CRO

Small, senior engineering team with ó

Job summary

Recruiting From Scratch is helping a rapidly growing infrastructure company in San Francisco hire a Senior Software Engineer to build and operate GPU-backed sandboxes for AI agents. You will own the runtime, virtualization stack, and end-to-end lifecycle from architecture to deployment, with focus on performance and security.

The role demands deep Linux virtualization knowledge (KVM/QEMU, VFIO, IOMMU), strong systems programming in Go, Rust, or C/C++, and hands-on debugging at kernel or driver

Qualifications

• 5 years of professional systems, infrastructure, virtualization, or platform engineering experience.
• Deep hands-on experience with Linux virtualization internals, including KVM, QEMU, libvirt, VFIO, and IOMMU.
• Strong systems programming experience with Go, Rust, C, or C++.
• Experience debugging Linux systems at or near the kernel, driver, virtualization, or hardware boundary.

Responsibilities

• Build and productionize the runtime powering GPU-backed sandboxes for AI agents and machine learning workloads.
• Develop virtualization infrastructure using KVM/QEMU, VFIO passthrough, and IOMMU isolation.
• Build systems for managing IOMMU groups, PCIe devices, guest drivers, and CUDA stack lifecycles.
• Optimize GPU sandbox cold-start latency across image caching, VM boot paths, driver initialization, and snapshot restoration.
• Build GPU-aware scheduling and bin-packing systems that maximize fleet utilization and improve serverless GPU economics.
• Develop fleet-wide GPU health monitoring, failure detection, and automated remediation infrastructure.

Skills

Linux virtualization

Go

Rust

C/C++

Tools

KVM

QEMU

libvirt

VFIO

IOMMU

Job description

Recruiting From Scratch is helping a rapidly growing infrastructure company in San Francisco hire a Senior Software Engineer to build and operate GPU-backed sandboxes for AI agents. You will own the runtime, virtualization stack, and end-to-end lifecycle from architecture to deployment, with focus on performance and security.

The role demands deep Linux virtualization knowledge (KVM/QEMU, VFIO, IOMMU), strong systems programming in Go, Rust, or C/C++, and hands-on debugging at kernel or driver