Staff Platform Engineer

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 environment.

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.