Irem Cagin enhanced the bruin-data/ingestr repository by refining its Makefile to improve continuous integration reliability. She implemented conditional sourcing of the test environment file, ensuring the Makefile only loads the file if it exists. This approach, using Makefile scripting and DevOps best practices, prevented CI pipeline failures caused by missing environment files and reduced unnecessary build noise. By focusing on build reproducibility and robust testing workflows, Irem’s work streamlined the feedback loop for pull requests and facilitated smoother releases. Her contributions demonstrated a practical application of continuous integration and testing skills, addressing environment-related issues at the infrastructure level.