Senior Software Engineer, Platform Security

Fastly
· United States, Denver, CO / New York City, NY / San Francisco, CA

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: 10/06/2026

Anticipated Posting Close Date*: 01/30/2027

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

Senior Software Engineer, Platform Security

Fastly is seeking a Senior Engineer to represent our Platform Security team, with a specialized focus on Trust and Identity infrastructure. This is a high-impact individual contributor role for a technically exceptional engineer with deep experience in secure platform services at incredible scale.

You will drive the execution of initiatives foundational to Fastly’s internal authentication, identity, and access control systems. This position is ideal for someone who thrives on solving complex problems, guiding architecture, and is passionate about resilience
-while keeping systems secure and scalable.

You will help shape Fastly’s internal trust architecture for years to come.

What You’ll Do:

• Work alongside peers to define the long-term vision for trust and identity infrastructure and translate it into tangible execution plans aligned with business goals
• Design and implement scalable internal trust solutions such as secrets management, PKI, and authentication services
• Own Complex Challenges:
  Tackle ambiguous, technically demanding initiatives with multiple stakeholders and organization-wide impact
  
  Cross-Functional:
  Partner deeply with Product, Security, Compliance, and other Engineering teams
  
  Impact Management:
  Proactively identify potential situations that could negatively affect the business or customers and develop strategies to mitigate these risks before they escape.
• Promote Engineering Excellence:
  Establish and evangelize technical standards, code quality, reliability, and operational maturity

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

This position will require you to be available during core business hours. It will also require occasional nights and weekends as necessary to support any on-call coverage.

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This position is also open to Hybrid And Remote Work Locations.

The preferred locations for this position are:

• 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.

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

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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.

The estimated salary range for this position is $181,220- $217,464

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…