During November 2024, this developer enhanced DT Shields functionality within the SegmentLinking/cmssw repository, focusing on improving data integrity, processing performance, and feature availability. Leveraging C++ and applying data analysis skills, they implemented more robust shields handling to support smoother downstream workflows. The work included validating the new features through targeted tests and updating documentation to ensure clarity for future users and maintainers. By preparing the changes for rollout, they contributed to a more reliable and efficient codebase. Their approach emphasized careful integration and thorough validation, reflecting a methodical engineering process in software development and data-driven feature improvement.