Senior Backend Software Engineer (APIs)
Fastly · Denver, CO; San Francisco, CA
Posted 8 days ago · $181,220 - $217,464
or apply directly on Fastly's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 8 days Fastly's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- Yes 67% of Fastly's roles list one
- Ghost-job risk at Fastly
- high 27 stale, 3 reposted of 49 open
- Hiring momentum
- 81 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Fastly's own greenhouse board since 2026-08-03. Full hiring picture for Fastly.
About this role
As a Senior Backend Software Engineer focused on APIs at Fastly, you'll design, implement, and maintain public-facing APIs and backend services primarily using Go. Your role will involve collaborating with various teams to enhance customer experiences, mentoring junior engineers, and ensuring the stability and performance of the systems you build. You'll also participate in an on-call rotation and contribute to the overall architecture and technical direction of the Security Products Console team.
- benefits
- 5/5
- freshness
- 5/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Fastly as an employer.
What you need
- Hands-on experience designing and building reliable, large-scale backend systems
- 5+ years shipping production Go as your primary language
- 3+ years on public APIs with external consumers
- Experience owning a multi-week project end-to-end
- Good judgement on RESTful API design
- Ability to design for the end-user experience
Nice to have
- Experience building or operating security products (WAF, bot, DDoS, app security)
- Working knowledge of auth at API scale (RBAC, OAuth, JWT, SAML)
What you get
- Comprehensive benefits package including medical, dental, and vision insurance
- Family planning and mental health support
- Employee Assistance Program
- Flexible Vacation policy
- Up to 18 days of accrued paid sick leave
- 401(k) with company match
Worth weighing
- Position requires availability during core business hours (Pacific Time) and occasional nights and weekends for on-call support
- Preference for hybrid work near a local office, but remote candidates may be considered
- No specific mention of team size or structure, which may affect collaboration dynamics
Summarised from Fastly's posting. Read the full original.
Listed by Fastly on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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