Senior Staff Back-end Engineer
Core
Designing and operating a multi-tenant virtualization platform (VM/BareMetal) to power AI/ML and large-scale workloads for Coupang's commerce ecosystem.
Role type
Senior Staff Individual Contributor (Systems/Infrastructure)
Builds
Hypervisor stack, host kernel, SDN data plane, and GPU virtualization infrastructure for Coupang Intelligence Cloud.
Domain
Cloud Infrastructure / Systems Software / Virtualization
Deliverable
production ML models | infrastructure
Required skills
QEMU-KVM internals, Linux kernel development, Open vSwitch (OVS), Open Virtual Network (OVN), C programming, Go programming, networking fundamentals (VXLAN, BGP, EVPN), GPU virtualization (SR-IOV, NVLink)
Preferred skills
Upstream Linux kernel contributions, KubeVirt experience, hyperscale environment design
Technologies
QEMU, KVM, libvirt, OVS, OVN, NVIDIA DOCA, DPDK, Infiniband, NVSwitch
Responsibilities
Own the hypervisor stack end-to-end including QEMU-KVM and host kernel tuning; Architect and implement the SDN data plane using OVS and OVN; Lead the GPU virtualization strategy including SR-IOV and NVLink; Drive technical decisions and mentor senior engineers; Own production reliability and incident response for the virtualization platform.
Seniority
Senior Staff, hands-on IC with significant architectural ownership
