Worked on the NVIDIA/nv-ingest repository to refactor the PDF rendering path, focusing on improving code maintainability and readability. The approach involved updating PDFIUM_PAGEOBJ_MAPPING to use variables rather than hardcoded constants and simplifying bitmap mode access by directly referencing the mode property. This targeted change reduced conditional logic and potential errors, streamlining future enhancements and making the codebase more accessible for new contributors. The work demonstrated disciplined code refactoring practices and domain knowledge in PDF rendering, utilizing Python and established software development methodologies. No major bugs were addressed during this period, with efforts concentrated on structural improvements to the code.