Backend/Platform Engineer

Backend/Platform Engineer at radixark. Remote location: Palo Alto, CA. Source ATS: Greenhouse. About the Role RadixArk is looking for a Backend/Platform Engineer to build the API layer, control plane, and platform services that power SGLang and Miles in production. You'll design and implement the REST/gRPC APIs, authentication systems, multi-tenancy isolation, and monitoring infrastructure that thousands of developers and companies rely on. This role bridges high-performance inference/training s