Carlos Gabriel Lopez modernized the CI/CD pipeline for the Dataflux-U-nidos/Backend repository by introducing a Bun-based testing workflow and removing legacy processes. He focused on improving test reliability and enabling environment-driven testing to support faster, safer releases. Using TypeScript, YAML, and Docker, Carlos enhanced the pipeline with AWS credential management, public ECR registry login, timestamped image tags, and orchestrated application runs. He also added a test placeholder to facilitate future domain entity testing. His work demonstrated depth in backend development and DevOps, addressing the need for robust, maintainable automation and laying the groundwork for more efficient, reliable deployments.