Senior Software Engineer, Traffic

<div class="content-intro"><p><img style="display: none; max-width: 100%;" src="https://click.appcast.io/greenhouse-te8/a31.png?ent=34e=22630t=1701374353806" width="1px"> <img style="display: none; max-width: 100%;" src="https://track.jobadx.com/v1/i.gif?utm_pixel=224e990b-8ff4-4287-8d5d-2ff09647f181utm_ptz=ESTutm_rqt=track" alt="" width="1"></p></div><h2><strong>About the Company</strong></h2> <p>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.</p> <h2><strong>About the Role</strong></h2> <p>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</p> <h2><strong>You’re excited about this opportunity because you will…</strong></h2> <ul> <li>Work with a world-class team of engineers building the foundation of DoorDash’s internal and external traffic systems.</li> <li>Operate and evolve DoorDash’s service mesh, built on Envoy and modern cloud-native technologies.</li> <li>Design and implement systems that improve reliability, observability, latency, and security for all service-to-service communication.</li> <li>Develop automation and tooling to manage configurations, policy rollout, and traffic routing at scale.</li> <li>Collaborate with Compute, Cloud Infra, and Product teams to ensure consistent networking abstractions and developer experience.</li> <li>Drive best practices in API management, service discovery, load balancing, and fault tolerance.</li> <li>Work in a 100% cloud environment (AWS, GCP) using technologies such as Envoy, Argo CD, Prometheus, Kubernetes, and Terraform.</li> </ul> <h2><strong>We’re excited about you because…</strong></h2> <ul> <li>You have 5+ years of experience as a software engineer in infrastructure, networking, or platform engineering.</li> <li>You have hands-on experience with service mesh or networking systems such as Envoy, Istio, Linkerd, or NGINX.</li> <li>You are comfortable operating distributed systems and debugging complex traffic or reliability issues.</li> <li>You have strong development skills in Go, Python, or similar languages.</li> <li>You understand containerized environments and cloud infrastructure (AWS, GCP, etc.).</li> </ul> <h3><strong>Bonus points if you…</strong></h3> <ul> <li>Have experience designing and running high-traffic, production-grade service communication systems.</li> <li>Have strong knowledge of HTTP, TCP/IP, TLS, load balancing, and DNS.</li> <li>Have experience with observability stacks (Prometheus, Grafana, OpenTelemetry).</li> <li>Are passionate about reliability, simplicity, and developer experience.</li> <li>Have contributed to the CNCF or Envoy communities.</li> </ul> <p> </p> <p> </p> <p>Notice to Applicants for Jobs Located in NYC or Remote Jobs Associated With Office in NYC Only</p> <p>We use Covey as part of our hiring and/or promotional process for jobs in NYC and certain features may qualify it as an AEDT in NYC. As part of the hiring and/or promotion process, we provide Covey with job requirements and candidate submitted applications. We began using <a href="https://getcovey.com/product/covey-scout-inbound">Covey Scout for Inbound</a> from August 21, 2023, through December 21, 2023, and resumed using <a href="https://getcovey.com/product/covey-scout-inbound">Covey Scout for Inbound</a> again on June 29, 2024.</p> <p>The Covey tool has been reviewed by an independent auditor. Results of the audit may be viewed here: <a href="http ... (truncated, view full listing at source)