Staff Engineer, Traffic Management Systems

<div class="content-intro"><p>Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the Internet. The platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development. Fastly’s customers include many of the world’s most prominent companies, including GitHub, Yelp, Paramount, and JetBlue.</p> <p>We're building a more trustworthy Internet. Come join us.</p></div><p><strong>Posting Open Date: </strong>March 19,2026&nbsp;</p> <p><strong>Anticipated Posting Close Date*: </strong>April 20, 2026</p> <p><em>*Job posting may close early due to the volume of applicants.</em></p> <p>&nbsp;</p> <p><strong>Staff Software Engineer, Traffic Management Systems&nbsp;</strong></p> <p>Fastly's Traffic Management Systems Team owns and operates the services used to balance the CDN’s traffic globally, as well as Fastly’s Managed DNS product. We are building a world-class DNS product with an autonomous control system that makes real-time data-driven decisions to ensure high levels of availability and performance across our network. We are seeking a technical leader with experience in designing, building and operating distributed systems that are scalable, fault tolerant and easy to manage. You'll be joining a team responsible for critical network services, used by some of the world’s most popular companies to power the Internet. Many of our largest customers rely on our work to ensure a performant and delightful experience for their users. You will play a critical role in ensuring the team's continued success in delivering innovative capabilities.</p> <p><strong>What You'll Do:</strong></p> <ul> <li>Technical leadership of full lifecycle projects, driving project progress and collaborating with stakeholders</li> <li>Coordinate and communicate with the team members and across other technical and cross functional teams</li> <li>Prioritize scalability, security, performance and reliability in the design of the applications you support</li> <li>Write code that is performant, maintainable, clear, and concise and contribute to code reviews, improving the codebase and other team processes</li> <li>Mentor and support other engineers, fostering a culture of knowledge sharing, innovation, and collaboration within the team</li> <li>Participate in on-call rotation as needed</li> </ul> <p><strong>What We're Looking For:&nbsp;</strong></p> <ul> <li>At least 7+ years of experience designing and developing software components on Unix/Linux platforms</li> <li>5+ years of professional software development experience, designing, building, and deploying production-ready applications, with focus on network protocols such as TCP, HTTP(S), DNS etc.</li> <li>Track record of writing resilient and maintainable Rust, C, C++ and/or Go code</li> <li>Strong written and verbal communication skills with the ability to articulate complex technical ideas across multi-functional teams</li> <li>A passion for learning, and sharing what you’ve learned with others</li> </ul> <p><strong>We’ll be super impressed if you have experience in any of these:&nbsp;</strong></p> <ul> <li>Protocol fluency and hands-on experience developing and operating DNS servers</li> <li>Experience with major cloud infrastructure providers such as AWS, GCP and/or Azure&nbsp;</li> <li>Experience with infrastructure as code systems like terraform and Kubernetes</li> <li>Familiarity with monitoring solutions like Prometheus and Grafana</li> <li>Experience with Machine Learning &amp; Analytical tools</li> </ul> <p>&nbsp;</p> <p><strong>Work Hours:</strong></p> <p>This position will require you to be available during core business hours and occasional nights and weekends as required for on-call support.&nbsp;</p> <p>&nbsp;</p> <p><strong>Work Location(s) &amp; Travel Requirements:</strong>&nbsp;</p> <p>This position is open to the following preferred office locations:</p> <ul> <li>San Francisco, CA</li> <li>New York, NY</li> <li>Denver, CO</li> </ul> <p>Fastly currently embraces a largely hybrid model for most roles w