Infrastructure/Platform Engineer job at London Full Time

Infrastructure Engineer – Performance Optimization
Contract – 6 Months with Potential extension
Type of role – Remote across UK
Day rate – £480 – £655 Per Day Inside IR35

We’re hiring an Infrastructure Engineer to join a high-impact platform team within a globally scaled product company in the streaming space. This role sits within a newly formed Performance Optimization squad focused on improving infrastructure efficiency and reducing cost across thousands of services.

This is a hands-on engineering role where your work directly translates into measurable performance gains and cost savings at scale.

What you’ll be doing

• Drive infrastructure optimisation initiatives across large-scale Kubernetes environments (GKE)
• Identify and implement improvements in resource utilisation (CPU, memory, workload placement)
• Tune JVM-based services to enhance performance and efficiency
• Build automation to roll out optimisation changes safely across production systems
• Work closely with data to analyse usage patterns and drive cost-efficiency decisions
• Contribute to reliability practices, including safe deployments and incident response

Tech stack

Kubernetes (GKE), Google Cloud Platform (GCP), Terraform, Helm, Python, Go, Java

What we’re looking for

• 3-5 years’ experience in Infrastructure, Platform, or Site Reliability Engineering roles
• Strong hands-on experience with Kubernetes (ideally GKE)
• Solid coding/scripting skills in Python, Go, or Java
• Experience working with cloud platforms (preferably GCP)
• Familiarity with Infrastructure as Code (Terraform, Helm) and CI/CD pipelines
• Good understanding of system performance, scalability, and reliability
• Experience working in product-based multinational corporations

Nice to have

• Experience with JVM tuning in production environments
• Exposure to cloud cost optimisation / FinOps practices
• Understanding of SLOs, error budgets, and safe rollout strategies
• Experience working in large-scale distributed systems

If you are interested then apply with a copy of your CV or send your CV to khushboo.pandey @randstad .co .uk

Randstad Technologies is acting as an Employment Business in relation to this vacancy.