We are looking for a Sr. Principal Engineer to join our team in Manchester, UK.

Responsibilities

• Lead the design, delivery, and architecture of platform capabilities powering Anaplan’s enterprise‑scale API gateways, edge routing, and developer acceleration.
• Build and scale high‑throughput backend engines that manage core request orchestration, seamless multi‑tenant isolation, and API‑first solutions serving thousands of tenants and tens of thousands of users.
• Partner with architects and senior engineers across the Platform Experience domain to set technical direction, aligning implementation patterns for complex initiatives such as vanity URLs, JWT auth flows, and cross‑service proxying.
• Drive the evolution of our deployment infrastructure, championing modern GitOps workflows (ArgoCD, Helm) and highly available containerized orchestration.
• Own foundational features end‑to‑end—from design through to production—while continuo...