Staff Platform Engineer // Tech Lead - Platform Engineering
£100,000-£120,000 + Bonus
London Hybrid, with travel to Cambridge
No Sponsorship Option
We're hiring a Staff /Lead Platform Engineer to provide deep technical leadership across a modern cloud-native platform within a scaling SaaS / fintech setting.
This is a highly hands‐on senior engineering role focused on platform architecture, Kubernetes, GitOps, cloud security, reliability and engineering standards.
While not a people‐management position, the role carries significant technical influence across platform direction, architecture and operational maturity.
You'll work closely with senior engineering leadership to evolve and harden a production‐grade AWS platform supporting secure, scalable and repeatable customer environments.
Key responsibilities:
Driving technical direction across AWS, Kubernetes/EKS and GitOps infrastructure
Reviewing and improving platform architecture, resiliency and operational readiness
Defining engineering standards across infrastructure, CI/CD, observability and security
Leading best practices around Terraform, Argo CD, deployment automation and platform operations




Supporting secure multi‐environment and SaaS deployment models
Improving platform reliability, monitoring, disaster recovery and production hardening
Mentoring engineers through design reviews, code reviews and technical guidance
Tech stack includes:
AWS | Kubernetes / EKS | Terraform | Argo CD | GitOps | Helm | CI/CD | Observability | Cloud Security
We're looking for someone with:
Deep AWS and Kubernetes (EKS) platform engineering experience
Strong background operating cloud‐native production environments
Expertise in infrastructure as code and GitOps practices
Strong understanding of cloud security, IAM, networking and resilience
Experience mentoring engineers and driving engineering standards
Ability to make pragmatic technical decisions in fast‐moving environments
Experience within fintech, regulated SaaS, payments or financial services environments would be highly beneficial.
Excellent opportunity for an experienced platform engineer who enjoys solving complex infrastructure challenges while shaping the technical foundations of a growing business.
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