Senior Backend Software Engineer (APIs)

Fastly
Denver, San Francisco
Workplace: HybridFull timeUSD 181,220 - 217,464 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["Technical leadership","Good judgement","Mentorship","Problem-solving","Collaboration"]

Design, build, and own Fastly’s public-facing backend APIs and services in Go for security products, from technical proposals and implementations through testing, production rollout, and on-call support. Partner with frontend engineers, product managers, and security researchers to deliver end-to-end customer experiences. Turn ambiguous problems into executable plans, write design/architecture documents, and guide stability, performance, and scalability while mentoring engineers and collaborating across platform teams.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Fastly
Fastly
1 day ago

Senior Backend Software Engineer (APIs)

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Design, build, and own Fastly’s public-facing backend APIs and services in Go for security products, from technical proposals and implementations through testing, production rollout, and on-call support. Partner with frontend engineers, product managers, and security researchers to deliver end-to-end customer experiences. Turn ambiguous problems into executable plans, write design/architecture documents, and guide stability, performance, and scalability while mentoring engineers and collaborating across platform teams.
Location: Denver, San Francisco
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, ship, and own public-facing APIs and backend services in Go from technical proposal and design docs through implementation, testing, rollout, and on-call support.
  • •Use AI coding agents as part of daily workflow.
  • •Partner with frontend engineers, product managers, and security researchers to deliver the customer experience end-to-end.
  • •Turn ambiguous problems into well-defined technical plans and author design/architectural documents to drive cross-team alignment.
  • •Ensure stability, performance, and scalability in designs and guidance; mentor engineers via code review, pairing, and technical leadership while participating in on-call rotation.

Pay and Benefits

Salary: USD 181,220 - 217,464 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kEquityPaid Leave

Key Requirements

  • •5+ years shipping production backend services with Go as the primary language.
  • •3+ years building public APIs consumed by external customers, including handling breaking changes and writing deprecation notices.
  • •Experience designing reliable, large-scale backend systems and owning multi-week delivery end-to-end from design docs through post-launch.
  • •Strong judgment for RESTful API design, including versioning, idempotency, error semantics, pagination, and OpenAPI.
  • •Experience with testing and observability, including metrics you added that delivered clear value.
Experience:5+ yearsSecurityPublic APIsDeveloper ecosystems
Skills:Technical leadershipGood judgementMentorshipProblem-solvingCollaboration
Languages:English
Tech Stack:GoTerraformCI/CDNext-Gen WAFDDoS protectionBot ManagementRESTOpenAPIOAuthJWTSAMLRBAC

Company Brief

Fastly
Provides an edge cloud platform and content delivery network (CDN) that enables fast, secure, and scalable delivery of web and streaming content, APIs, and applications with real-time configurability and observability.
Industry: Cloud Computing
Company Size: Enterprise (1,001+ employees)
Revenue: USD 250M to 500M
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2011
WebsiteLinkedIn