Over a two-month period, this developer focused on infrastructure and reliability improvements across two repositories. In capralifecycle/user-roles, they streamlined the Docker-based testing infrastructure by removing obsolete files and configurations, reducing maintenance overhead and clarifying the test setup for future contributors. Their work emphasized maintainability and onboarding efficiency, leveraging Docker and TypeScript for infrastructure as code. In capralifecycle/liflig-cdk, they addressed a reliability issue by ensuring ECS service alarms were enabled by default, aligning alerting behavior with operational expectations. Using AWS CDK and CloudFormation, they delivered targeted changes that improved monitoring accuracy while maintaining product stability and minimizing risk.