Startups

Senior Software Engineer, Edge Security

Signalsciences · Denver, CO; New York City, NY; San Francisco, CA · On-site

← All jobs
About Signalsciences

Backed by CRV.

About the role

The Security Products group is responsible for developing and maintaining a range of security related products at Fastly. We are made up of multifaceted teams that work together to build industry leading security products that our customers rely on to secure their infrastructure. We are looking for a full-time engineer with experience developing web applications. This role is for a backend engineer developing primarily in Go, but experience with other languages (C, Rust etc.) is useful.

What they're looking for

  • 6+ Years of enterprise software development experience
  • Deep knowledge of HTTP and related networking protocols (Varnish, H2O etc.)
  • Strong interest in network security
  • Hands on experience developing and operating backend systems for web applications
  • Experience working in a collaborative, distributed team environment
  • Strong Linux, automation, and shell scripting skills
More about this 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: 09/09/2026

Anticipated Posting Close Date*: 10/05/2026

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

The Security Products group is responsible for developing and maintaining a range of security related products at Fastly. We are made up of multifaceted teams that work together to build industry leading security products that our customers rely on to secure their infrastructure. We are looking for a full-time engineer with experience developing web applications. This role is for a backend engineer developing primarily in Go, but...

Read the full posting on Signalsciences's site ↗

Security Engineering

Build your edge while you search

Free tools for founders and investors, plus VC Unfiltered, our take on startups, venture and the people who build them.