Software Engineer for Compute and Isolation
BasetenVisit Baseten website
Baseten is an AI inference platform for deploying, optimizing, and scaling custom, open-source, and fine-tuned models in production.
Series F+Recently funded
San Francisco, United States
Funding history
About Baseten
Baseten provides model runtimes, inference infrastructure, developer workflows, and deployment options including managed cloud, self-hosted, and hybrid environments.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own the lifecycle and performance of microVM-based agent sandboxes. You will build and tune guest kernels, manage host resources, design multi-tenant isolation, and debug virtualization issues from userspace through the kernel and hardware.
Requirements
- Hands-on experience with KVM and Firecracker, Cloud Hypervisor, or QEMU
- Deep understanding of Linux internals, including namespaces, cgroups, memory management, and boot paths
- Experience building multi-tenant cloud infrastructure and isolation systems
- Systems programming experience with Rust, Go, C, or C++
- Experience debugging performance and correctness across userspace and kernel boundaries
Responsibilities
- Own the microVM sandbox lifecycle, including startup, shutdown, suspension, resumption, snapshots, and forks
- Build and tune custom guest Linux kernels
- Tune host CPU and memory configuration and manage sandbox density
- Optimize sandbox startup and resume performance
- Own sandbox identity, storage attachments, and network virtual devices
- Design multi-tenant isolation with the hypervisor as a security boundary
- Debug virtualization and isolation issues across userspace, kernel, and hardware
- Contribute architecture decisions and code to relevant open-source projects
Benefits
- Meaningful equity
- Medical, dental, and vision insurance for U.S. employees and dependents
- Flexible PTO and company-wide winter break
- Paid parental leave
- Fertility and family-building stipend through Carrot
- Company-facilitated 401(k) for U.S. employees