Aaron developed foundational data structures and integrated the DCON module within the OpenFUSIONToolkit/JPEC repository, focusing on robust software architecture and type safety using Julia. He established structured definitions for global variables, control parameters, and output flags, organizing them by namelist and providing default initializations to ensure reliable module startup. By introducing explicit type hints and leveraging Julia’s type system, Aaron improved code clarity and safety, particularly through constructs like Union types and custom CubicSplineType. His work enabled seamless library integration with JPEC, laying groundwork for future development. The depth of his contributions reflects strong skills in data structures and software engineering.