Backend Engineer (infrastructure)

Infrastructure Engineer (Performance Optimization) Role Type: 6-Month Contract (Remote, UK-based) Rate: Upto £650 Per Day (Umbrella / Inside IR35) Role Summary Seeking a hands-on Infrastructure Engineer to join a newly formed Performance Optimization Squad within a massive-scale production platform. Key

Responsibilities Execute Optimizations: Drive well-scoped initiatives to completion, including compute resource rightsizing, JVM tuning, and workload placement. Build Automation: Implement infrastructure changes and build automation to scale impact across the fleet. Collaborate: Work within a focused team of 4 engineers, a data analyst, and an engineering manager. Core

Requirements

Experience : 5 years in Infrastructure, Platform, or Backend engineering roles. Kubernetes: Solid

experience with Kubernetes (ideally GKE ). Coding: Proficiency in at least two of: Java, Go, or Python (strong scripting/automation

skills preferred). Cloud Platform: Comfortable with GCP (compute, networking, IAM, cost monitoring). Tooling: Familiarity with IaC ( Terraform, Helm ) and CI/CD pipelines. Preferred Qualifications Background in Reliability Engineering / SRE (SLOs, error budgets, safe rollouts).

Experience with JVM-based services at scale. Familiarity with GCP Billing or BigQuery cost exports. Randstad Technologies is acting as an Employment Business in relation to this vacancy.