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
• Mentor and support the professional growth of engineers, fostering a culture of knowledge sharing, innovation, and collaboration within the team

What We're Looking For

• Proven ability to design & implement reliable, scalable, low latency systems. Most Staff Engineers at Fastly have at least 7 years of domain relevant engineering experience.
• A collaborative mindset with experience working across cross-functional teams, fostering a culture of knowledge sharing and innovation
• Significant production experience with coding in C, C++, and/or Rust.
• Proven ability to mentor and support the growth of engineers, both within a specific area of expertise and more broadly
• Experience with Linux systems and network programming
• Hands-on experience in building distributed infrastructure and maintaining it over time
• Excellent written and verbal communication skills, with the ability to produce clear and comprehensive documentation

We'll be super impressed if you have experience in any of these:

• Web/Internet protocols such as HTTP, TLS, DNS, TCP/IP, UDP, QUIC
• Understanding of how customers will interact with features you develop
• Comfortable working in a geographically distributed team and highly available environments
• Proficient in Perl, Go, or similar high level languages

Work Hours:

This position will require you to be available during core business hours and occasionally nights and weekends as required for on call support.

Work Location(s) & Travel Requirements:

The preferred office locations for this position are:

• San Francisco, CA
• Denver, CO
• New York, NY

Fastly currently embraces a largely hybrid model for most roles which allows employees flexibility to split their time between the office and home.

There is a strong preference for Hybrid near a local office. However, we may be willing to consider remote candidates within the US and Canada.

SF / LA Fair Chance Ordinance Statement

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.

Salary:

The estimated salary range for this position in the US is $211,370 to 253,644.

Starting salary may vary based on permissible, non-discriminatory factors such as experience, skills, qualifications, and location.

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

Benefits:

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 2026, we offer 11 paid local holidays, 12 paid company wellness days.