Staff Engineer - Edge Protocols

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 date: June 25, 2026

Anticipated Posting Close Date* : July 10, 2026

*Job posting may close early due to the volume of applicants.

Staff Software Engineer - Edge Protocols

The Edge Protocols Team develops software that interacts with both sides of Fastly, front and back - handling every incoming client request to Fastly and talking to customers’ websites. Projects range from implementing new protocols, efficient load balancing, routing among the edge nodes, defending customers from attacks, security enhancements, privacy products and more. We are looking for a Staff Software Engineer passionate about applying their talents to make the Internet fast and secure.

What You'll Do

• Write, test, and deploy both C and Rust code.

• Enhance, maintain and optimize network software that implements protocols including TLS, HTTP, QUIC, etc.

• Collaborate with cross-functional teams and stakeholders to shape a clear technical roadmap - prioritizing key initiatives and proactively identifying and mitigating risks - to deploy, support, troubleshoot, and deliver features to customers

• Contribute to open source projects such as h2o and picotls <l

Department: Content Delivery Systems