Worked on enhancing the reliability of image processing in the mrousavy/expo repository by addressing a critical bug in PNG parsing within the expo-gl package. Focused on C programming and image processing, the developer introduced defensive validation for DEFLATE codes in the stb_image library, ensuring that invalid PNG data no longer leads to data corruption or application crashes. This targeted bug fix improved the robustness of Expo’s image pipeline, directly benefiting applications that rely on stable image handling. The work demonstrated careful attention to code traceability and maintainability, with clear commit references supporting future audits and ongoing maintenance of the codebase.