Deep experience building high-performance, concurrent Golang applications Strong track record of architecting and maintaining gRPC services Experience with ConnectRPC (bonus points) Implemented or managed identity services (Ory stack: Kratos, Keto, Hydra, or similar OIDC/OAuth2 providers) Understanding of underlying overlay networking (e.g., WireGuard, service mesh) Experience anticipating adversarial behavior (DDoS) and implementing mitigation strategies Design systems where servers are cattle, not pets (immutable infrastructure) Write clear Engineering Requirement Documents and translate them into actionable plans