Software Engineer, Traffic
Core
Design, build, and maintain large-scale distributed traffic infrastructure and ingress systems for DoorDash's global logistics platform.
Role type
Senior IC distributed systems engineer (traffic/networking)
Builds
High-RPS, low-latency traffic stack components including Envoy Data Plane, xDS control planes, and proxyless architecture.
Domain
Logistics / Distributed Systems / Networking
Deliverable
production ML models | product features | infrastructure
Required skills
Go, C++, Python, Rust, AWS, Kubernetes, distributed systems design, high-QPS system debugging, latency optimization, AI coding tools proficiency
Preferred skills
Service mesh technologies (Envoy, Istio, Linkerd), xDS/control plane architectures, TCP/IP/HTTP/gRPC fundamentals, RPC framework development, AWS Networking Primitives, Infrastructure as Code (Terraform), GitOps (ArgoCD, Helm, Atlantis)
Responsibilities
Design and build large-scale distributed systems with high RPS and latency sensitivity; troubleshoot and fix production issues to maintain SLAs; collaborate with platform and product engineers; improve team productivity via automation and AI tools; participate in on-call rotation and lead incident investigations
Seniority
Senior, hands-on IC