Pivotal role in cloud migration project, building a foundation for an enterprise with hundreds of AWS accounts. Advocated for a secure cloud environment with only short living credentials and defense-in-depth as well as zero trust approaches. Created fully automated, self-service AWS account vending machine. Worked Infrastructure-as-Code first in highly complex environments. Led development for a new, state-of-the-art container platform based on Kubernetes, rolled out automatically into many AWS accounts. Worked on existing and new Spring services written in Java and Kotlin. Co-created serverless apps following an event-driven architecture. Open sourced and contributed to various tools for automation and developer experience.