Developed type-conversion support for file template format strings in the lsst/daf_butler repository, enabling conversion specifiers within file name templates to streamline data product naming and metadata extraction. The work involved enhancing the FileTemplate component to parse and apply conversion specifiers, allowing for automated and reliable file generation in data workflows. Implemented using Python, the solution incorporated backend development and file templating skills, with a focus on test-driven development to ensure correctness. Unit tests were added for integer-to-string conversions, reducing the need for manual post-processing and increasing the reliability of template-based file generation across data management pipelines.