Senior Backend Software Engineer (APIs), Security Products

The Security Products Console team at Fastly owns the public-facing interface for configuring Next-Gen WAF, DDoS protection, Bot Management, and upcoming security products. As the API surface scales for new product launches and a growing developer ecosystem, you will design, ship, and own public-facing APIs and backend services in Go. You will partner with frontend engineers, product managers, and security researchers to deliver end-to-end customer experiences, take ambiguous problems and turn  

Hands-on experience designing and building reliable, large-scale backend systems (typically 5+ years). 5+ years shipping production Go as primary language. 3+ years on public APIs with external consumers, including shipping breaking changes and deprecation notices. Proven ability to drive multi-week projects end-to-end. Strong RESTful API design judgment (resource modeling, versioning, idempotency, error semantics, pagination, OpenAPI). Design for downstream consumers (customers, support, front‑