Senior Software Engineer, Traffic

DoorDash USA•Seattle, WA

7h•Hybrid

About The Position

Help us build the world's most reliable, on-demand logistics engine for last-mile delivery! We're bringing on experienced engineers to help us create and maintain a 24x7, no downtime, global infrastructure system that powers DoorDash’s three-sided marketplace of consumers, merchants, and dashers. About the Role As a member of the Traffic team, you will design, build, and operate the networking and service mesh platform that enables reliable, secure, and efficient service-to-service communication across DoorDash’s global infrastructure. You will report to the Engineering Manager on the Traffic Team within the Core Infrastructure organization. This role is hybrid working from one of our engineering hubs based in Bay Area, Seattle or New York You’re excited about this opportunity because you will… Work with a world-class team of engineers building the foundation of DoorDash’s internal and external traffic systems. Operate and evolve DoorDash’s service mesh, built on Envoy and modern cloud-native technologies. Design and implement systems that improve reliability, observability, latency, and security for all service-to-service communication. Develop automation and tooling to manage configurations, policy rollout, and traffic routing at scale. Collaborate with Compute, Cloud Infra, and Product teams to ensure consistent networking abstractions and developer experience. Drive best practices in API management, service discovery, load balancing, and fault tolerance. Work in a 100% cloud environment (AWS, GCP) using technologies such as Envoy, Argo CD, Prometheus, Kubernetes, and Terraform.

Requirements

You have 5+ years of experience as a software engineer in infrastructure, networking, or platform engineering.
You have hands-on experience with service mesh or networking systems such as Envoy, Istio, Linkerd, or NGINX.
You are comfortable operating distributed systems and debugging complex traffic or reliability issues.
You have strong development skills in Go, Python, or similar languages.
You understand containerized environments and cloud infrastructure (AWS, GCP, etc.).

Nice To Haves

Have experience designing and running high-traffic, production-grade service communication systems.
Have strong knowledge of HTTP, TCP/IP, TLS, load balancing, and DNS.
Have experience with observability stacks (Prometheus, Grafana, OpenTelemetry).
Are passionate about reliability, simplicity, and developer experience.
Have contributed to the CNCF or Envoy communities.

Responsibilities

Work with a world-class team of engineers building the foundation of DoorDash’s internal and external traffic systems.
Operate and evolve DoorDash’s service mesh, built on Envoy and modern cloud-native technologies.
Design and implement systems that improve reliability, observability, latency, and security for all service-to-service communication.
Develop automation and tooling to manage configurations, policy rollout, and traffic routing at scale.
Collaborate with Compute, Cloud Infra, and Product teams to ensure consistent networking abstractions and developer experience.
Drive best practices in API management, service discovery, load balancing, and fault tolerance.
Work in a 100% cloud environment (AWS, GCP) using technologies such as Envoy, Argo CD, Prometheus, Kubernetes, and Terraform.

Benefits

a 401(k) plan with employer matching
16 weeks of paid parental leave
wellness benefits
commuter benefits match
paid time off and paid sick leave in compliance with applicable laws (e.g. Colorado Healthy Families and Workplaces Act)
medical, dental, and vision benefits
11 paid holidays
disability and basic life insurance
family-forming assistance
a mental health program
flexible paid time off/vacation, plus 80 hours of paid sick time per year
vacation accrued at about 1 hour for every 25.97 hours worked (e.g. about 6.7 hours/month if working 40 hours/week; about 3.4 hours/month if working 20 hours/week), and paid sick time accrued at 1 hour for every 30 hours worked (e.g. about 5.8 hours/month if working 40 hours/week; about 2.9 hours/month if working 20 hours/week)