Sebastian Vetter refactored the S2 correction pipeline in the XENONnT/straxen repository, replacing a rigid set of intermediate corrections with a flexible binary encoding system. This engineering effort, implemented in Python and leveraging skills in data analysis and scientific computing, simplified the logic for generating corrected S2 areas and their top fractions. By removing the fixed cAFT bottom correction from cS2, Sebastian improved the maintainability and extensibility of the codebase, making future updates more straightforward. The work demonstrated a thoughtful approach to code quality, focusing on long-term sustainability and adaptability within the context of physics simulation workflows.