David An enhanced backend security and stability across DataBiosphere’s jade-data-repo and terra-resource-buffer repositories over a three-month period. He implemented a SameSite=lax cookie property in Spring Boot to centralize CSRF protection, reducing the attack surface in jade-data-repo. In terra-resource-buffer, David updated Dependabot configuration to ignore Spring Boot 4 updates, preserving compatibility and minimizing upgrade disruptions. He also addressed Java 17 runtime errors in jade-data-repo by downgrading Jersey dependencies, improving reliability. His work demonstrated depth in backend development, configuration management, and dependency management, leveraging Java, Groovy, and YAML to deliver targeted, maintainable solutions for evolving infrastructure needs.