Senior Cloud Engineer I

The role

You will lead the technical delivery of cloud services and design platform primitives for product teams. You will work with AWS and Azure to build scalable, secure, and cost-optimised infrastructure using code.

What you will do

• Take ownership of large-scale platform projects from architecture to production.
• Design platform primitives that product teams build on.
• Work with Engineering Managers to refine requirements and shape technical direction.
• Act as a Subject Matter Expert for team-owned services.
• Produce exemplary code and documentation to spread best practices.
• Manage technical dependencies inside and outside the pillar.
• Embody Checkout Operating Principles to shape group culture.
• Explore and implement AI-driven automation for infrastructure efficiency.

Required qualifications

• 5+ years in cloud engineering roles with significant AWS depth.
• Advanced, hands-on experience designing and operating production infrastructure in AWS at enterprise scale.
• Experience with multi-account architectures, IAM, KMS, and core compute, storage, and security services.
• Proven track record of delivering resilient, multi-region architectures.
• Real production experience with Azure including landing zones, VNet architectures, Entra ID, and the Azure resource and governance model.
• Expert-level Terraform.
• Comfortable in a Git-based workflow with CI/CD.
• Proficiency in Python or similar for automation.
• Experience designing and debugging complex network estates including VPC, VNet, hub-and-spoke, Transit Gateway, Cloud WAN, DNS, and private connectivity.
• Solid experience running containerised workloads in production, ideally on EKS/AKS.
• Experience operating in regulated environments.
• Ability to guide and mentor peers.

Nice to have

• Familiarity with PCI DSS
• A degree in Computer Science or a related field is useful

About the company

Checkout.com is a fintech company that enables over 10 billion transactions yearly for more than one billion global shoppers. They have 20 offices across six continents with London as their HQ.