Senior Software Engineer, Edge Security

Fastly • San Francisco, CA

8d • Remote

About The Position

Fastly’s Security Products group develops and maintains security products that customers rely on to secure their infrastructure. This is a full-time backend engineering role focused primarily on developing in Go, with experience in other languages such as C or Rust also useful. The engineer will help build and maintain backend systems for large-scale web applications and contribute to the development of security products.

The role is remote and open to candidates residing in North America. The engineer must be available during core U.S. business hours and participate in an on-call rotation. Travel may be required as needed for the role or at the manager’s request.

Requirements

• At least 4 years of enterprise software development experience.
• Knowledge of HTTP and related networking protocols, such as Varnish and H2O.
• Strong interest in network security.
• Hands-on experience developing and operating backend systems for web applications.
• Experience working in a collaborative, distributed team environment.
• Linux, automation, and shell scripting skills.
• Availability during core U.S. business hours.

Nice To Haves

• Experience developing in languages such as C or Rust.
• Prior experience building security solutions.
• Expertise in building in Kubernetes.
• Experience managing hybrid cloud environments, including data centers and public cloud.

Responsibilities

• Work as part of a team developing backend systems for large-scale web applications in Go.
• Write clean, modular, robust code to implement requirements.
• Communicate with team members and across technical and product teams.
• Contribute to code reviews, documentation, and other team processes.
• Optimize code and tune performance.
• Participate in an on-call rotation.

Benefits

• Medical, dental, and vision insurance.
• Family planning support.
• Mental health support and an Employee Assistance Program.
• Life, disability, and accident insurance.
• Flexible Vacation policy.
• Up to 18 days of accrued paid sick leave.
• 401(k) with company match.
• Employee Stock Purchase Program.
• 12 paid local holidays in 2026.
• 12 paid company wellness days in 2026.
• Potential eligibility for equity and discretionary bonus programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed