Staff Engineer, Traffic Management Systems

Fastly helps people stay better connected with the things they love. Fastlys 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. Fastlys customers include many of the worlds most prominent companies including GitHub Yelp Paramount and JetBlue.

Were building a more trustworthy Internet. Come join us.

Posting Open Date: March 192026

Anticipated Posting Close Date*: April 20 2026

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

Staff Software Engineer Traffic Management Systems

Fastlys Traffic Management Systems Team owns and operates the services used to balance the CDNs traffic globally as well as Fastlys Managed DNS product. We are building a world-class DNS product with an autonomous control system that makes real-time data-driven decisions to ensure high levels of availability and performance across our network. We are seeking a technical leader with experience in designing building and operating distributed systems that are scalable fault tolerant and easy to manage. Youll be joining a team responsible for critical network services used by some of the worlds most popular companies to power the Internet. Many of our largest customers rely on our work to ensure a performant and delightful experience for their users. You will play a critical role in ensuring the teams continued success in delivering innovative capabilities.

What Youll Do:

• Technical leadership of full lifecycle projects driving project progress and collaborating with stakeholders
• Coordinate and communicate with the team members and across other technical and cross functional teams
• Prioritize scalability security performance and reliability in the design of the applications you support
• Write code that is performant maintainable clear and concise and contribute to code reviews improving the codebase and other team processes
• Mentor and support other engineers fostering a culture of knowledge sharing innovation and collaboration within the team
• Participate in on-call rotation as needed

What Were Looking For:

• At least 7 years of experience designing and developing software components on Unix/Linux platforms
• 5 years of professional software development experience designing building and deploying production-ready applications with focus on network protocols such as TCP HTTP(S) DNS etc.
• Track record of writing resilient and maintainable Rust C C and/or Go code
• Strong written and verbal communication skills with the ability to articulate complex technical ideas across multi-functional teams
• A passion for learning and sharing what youve learned with others

Well be super impressed if you have experience in any of these:

• Protocol fluency and hands-on experience developing and operating DNS servers
• Experience with major cloud infrastructure providers such as AWS GCP and/or Azure
• Experience with infrastructure as code systems like terraform and Kubernetes
• Familiarity with monitoring solutions like Prometheus and Grafana
• Experience with Machine Learning & Analytical tools

Work Hours:

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

Work Location(s) & Travel Requirements:

This position is open to the following preferred office locations:

• San Francisco CA
• New York NY
• Denver CO

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 Canada and the UK.

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

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 when hired in the US is $211370 to $253644.

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 Fastlys 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.

Why Fastly

• We have a huge impact.Fastly is a small company with a big reach. Not only doour customershave a tremendous user base but we also support a growing number ofopen source projects and of code employees are encouraged to share causes close to their heart with others so we can help lend a supportive hand.

• We value diversity.Growing and maintaining our inclusive and diverse team matters to us. We are committed to being a company where our employees feel comfortable bringing their authentic selves to work and have the ability to be successful -- every day.

• We are passionate.Fastly is chock full of passionate people and were not one size fits all. Fastly employs authors pilots skiers parents (of humans and animals) makeup geeks coffee connoisseurs and more. We love employees for who they are and what they are passionate about.

Were always looking for humble sharp and creative folks to join the Fastly team. If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying.

All job applications must be submitted through our official careers site at We will never request sensitive information such as your Social Security number bank account or credit card information during the application process. All official communication will come from an @ or @ email address.

Fastly is committed to ensuring equal employment opportunity and to providing employees with a safe and welcoming work environment free of discrimination and harassment. Our employment decisions are based on business needs job requirements and individual qualifications. All qualified applicants will receive consideration for employment without regard to age ancestry color family or medical care leave gender identity or expression genetic information marital status medical condition national origin family or parental status physical or mental disability political affiliation protected veteran status race religion sex (including pregnancy) sexual orientation or any other characteristic protected by applicable laws regulations and ordinances.

Consistent with the Americans with Disabilities Act (ADA) and federal or state disability laws Fastly will provide reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process to perform essential job functions and/or to receive other benefits and privileges of employment please contact your Recruiter or the Fastly Employee Relations team at or .

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