Senior Software Engineer, Platform Security

Fastly·Denver, CO; New York City, NY; San Francisco, CA·Posted 7 October 2026

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About the role

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: 10/06/2026 Anticipated Posting Close Date*: 01/30/2027 *Job posting may close early due to the volume of applicants. Senior Software Engineer, Platform Security Fastly is seeking a Senior Engineer to represent our Platform Security team, with a specialized focus on Trust and Identity infrastructure. This is a high-impact individual contributor role for a technically exceptional engineer with deep experience in secure platform services at incredible scale. You will drive the execution of initiatives foundational to Fastly’s internal…

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