Sr. Software Engineer (Backend)

Signadot is building the validation layer for agentic coding. As AI agents generate more code, verifying that it works against real systems becomes the bottleneck. This is a senior backend IC role building the Go control plane and APIs behind that validation layer, along with the enterprise features that let large organizations roll it out to thousands of developers. What you'll do Build and own core backend services in Go: the control plane, public APIs, and request routing Design and maintain HTTP and gRPC APIs, and the SDKs generated from them Build enterprise features such as RBAC, SSO, audit logging, and multi-tenancy Work with Kubernetes, including controllers and operators Own features from design through production, including testing and rollout Keep the systems you own reliable and observable What we're looking for 4 to 6 years building backend systems in production Strong Go, or strong experience in another systems language and willing to work prima