James Otieno developed an integrated quality control metrics feature for the theiagen/public_health_bioinformatics repository, focusing on enhancing sequencing data quality assessment. He connected QC metrics from Snippy_Variants into the downstream Snippy_Tree and Snippy_Streamline workflows, exposing read alignment percentages and reference coverage to users earlier in the analysis process. Using workflow development skills and leveraging WDL and markdown, James updated workflow outputs to surface these metrics, enabling more proactive quality gating and improved pipeline observability. The work provided a deeper layer of data analysis, allowing users to make informed decisions about sequencing quality at earlier stages of the workflow.