Principal Software Engineer - Service Networking

Roblox is seeking a Principal Software Engineer for the Service Networking team to set technical direction and lead development of a service mesh platform based on Envoy and Istio. The role involves designing control-plane and data-plane capabilities for service discovery, routing, load balancing, and traffic policy across Kubernetes, Nomad, and cloud environments.

Candidates must have 8+ years of software engineering experience building large-scale distributed systems, expertise in service mesh and proxies (Envoy/Istio), strong networking fundamentals, programming skills in Go, C++, or Rust, experience with Kubernetes in production, and a record of leading complex technical initiatives and turning ambiguous problems into coordinated execution.