Mode: 5 days onsite. Rate: 300 GBP/day Inside IR35. Job Description Hands-on platform engineer joining the client team, responsible for building and operating the centralized ingress layer that handles authentication, authorization, traffic management, and observability for all the client channels. Day-to-day responsibilities: Design, build and operate Envoy and Kong gateway infrastructure serving production traffic across multiple lines of business Develop Go-based control-plane services - Ingress Registry, xDS controllers, Session Manager, Context Propagator Implement and maintain OPA policy bundles for coarse-grained authorization at the gateway layer Build and extend OpenTelemetry instrumentation pipelines (OTel Collector, Dynatrace OTLP ingest, Splunk SIEM forwarding) Manage GitOps-driven deployments via ArgoCD and Helm across multi-cluster Kubernetes environments Automate WAF rule management across Akamai and Cloudflare using WAF-as-code patterns Contribute to the platform operator console (TypeScript/React) for route management, drift detection, and session visibility Collaborate with LOB teams to onboard routes and migrate traffic from Legacy ingress infrastructure Participate in incident response, runbook development, and production readiness reviews Champion software engineering best practices - code review, testing, documentation, and observability-first design Required Skills BS/MS degree in Computer Science, related technical field, or equivalent with 8+ ..... full job details .....