Staff Engineer, Traffic Management Systems

Fastly • San Francisco, NY

1d • Hybrid

About The Position

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. We're building a more trustworthy Internet. Come join us. Posting Open Date: March 19,2026 Anticipated Posting Close Date: April 20, 2026 Job posting may close early due to the volume of applicants. Staff Software Engineer, Traffic Management Systems 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.

Requirements

• At least 7+ years of experience designing and developing software components on Unix/Linux platforms
• 5+ years of experience building and operating distributed networking/cloud systems at scale
• Track record of writing resilient and maintainable Rust, C, C++ and/or Go code
• Strong written and verbal communication skills with the ability to articulate complex technical ideas across multi-functional teams
• A passion for learning, and sharing what you’ve learned with others

Nice To Haves

• Protocol fluency and hands-on experience developing and operating DNS servers
• Experience with major cloud infrastructure providers such as AWS, GCP and/or Azure
• Experience with infrastructure as code systems like terraform and Kubernetes
• Familiarity with monitoring solutions like Prometheus and Grafana
• Experience with Machine Learning & Analytical tools

Responsibilities

• Technical leadership of full lifecycle projects, driving project progress and collaborating with stakeholders
• Coordinate and communicate with the team members and across other technical and cross functional teams
• Prioritize scalability, security, performance and reliability in the design of the applications you support
• Write code that is performant, maintainable, clear, and concise and contribute to code reviews, improving the codebase and other team processes
• Mentor and support other engineers, fostering a culture of knowledge sharing, innovation, and collaboration within the team
• Participate in on-call rotation as needed

Benefits

• We care about you. Fastly works hard to create a positive environment for our employees, and we think your life outside of work is important too. We support our teams with great benefits that start on the first day of your employment with Fastly. Curious about our offerings? We offer a comprehensive benefits package including medical, dental, and vision insurance.
• Family planning, mental health support along with Employee Assistance Program, Insurance (Life, Disability, and Accident), a Flexible Vacation policy and up to 18 days of accrued paid sick leave are there to help support our employees.
• We also offer 401(k) (including company match) and an Employee Stock Purchase Program.
• For 2026, we offer 11 paid local holidays, 12 paid company wellness days.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees