Ewa Stempel developed secure, auditable reporting infrastructure within the ministryofjustice/aws-root-account repository, focusing on AWS cloud environments. She provisioned a dedicated S3 bucket for GreenOps PoC reports and migrated its configuration to a modernization platform module, updating policy parameters to enhance governance. Using Terraform and HCL, Ewa addressed a policy reference issue in the S3 bucket configuration, ensuring correct application of IAM policies. She also expanded IAM and SSO admin access for the Operations Engineering team, improving account management and operational efficiency. Her work demonstrated depth in AWS infrastructure, DevOps practices, and policy management, delivering robust, maintainable cloud solutions.