Senior Software Engineer, Edge Security

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 Git Hub, Yelp, Paramount, and Jet Blue.

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  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.

• Work as part of a team developing backend systems for large scale web applications in Go
• Write clean, modular, robust code to implement the desired requirements
• Coordinate and communicate seamlessly with the team members and across other technical and product teams
• Contribute to code reviews, documentation and other team processes
• Code optimization and performance tuning

• 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

• Prior experience building security solutions
• Expertise in building in Kubernetes
• Experience managing hybrid cloud environments (data center + public cloud)

• This position will require you to be available during core US business hours as well as participating in an on call rotation

This position is a remote role and open to candidates residing in the following locations:
North America

This position may require travel as required by your role or requested by your manager.

Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

The estimated salary range for this position is  to

This role may be eligible to participate in Fastly’s equity and discretionary bonus programs.

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 2025, we offer 11 paid…