Worked on the tier4/scenario_simulator_v2 repository to enhance CI/CD workflows and streamline build processes. Focused on improving SonarCloud coverage reporting by refining GitHub Actions and adjusting workflow triggers, which led to more reliable and actionable quality signals. Simplified the build system by removing unnecessary dependencies, specifically eliminating the build-wrapper-linux-x86.zip, which reduced build complexity and improved maintainability. Additional efforts included cleaning up CI pipelines by removing redundant debug statements and unused branch triggers, resulting in less log noise and faster feedback cycles. Utilized Shell and YAML to implement build automation, code coverage integration, and continuous integration best practices throughout the project.