Catalin Ristea contributed to the AliceO2Group/O2DPG repository by developing a time-dependent quality control task for the AnalysisQC pipeline, focusing on resource-intensive histograms for extended analysis runs. He implemented this feature through new JSON configuration files and updates to the main QC configuration, enhancing the pipeline’s scalability and configurability. In addition, Catalin addressed a production deployment issue by correcting a variable name in a Shell script, which improved configuration stability and reduced misconfiguration risks. His work demonstrated disciplined configuration management and scripting skills, with careful attention to traceability and reproducibility, resulting in more robust and maintainable production environments.