Hamza Amar contributed targeted configuration and reconstruction enhancements to the DUNE/dunereco and DUNE/dunesw repositories, focusing on low-energy event clustering and detector geometry fidelity. He introduced new FCL-based parameters to improve low-energy cluster detection and expanded simulation coverage by creating MUSUN generator configurations for specific VD geometries. His work included updating detector service configurations to ensure correct module loading for the 1x8x14 3-view 30-degree setup, and refining reconstruction workflows for opflash10ppm, addressing both implementation and rollback for stability. Hamza applied skills in configuration management, data reconstruction, and simulation configuration, demonstrating depth in detector-specific software engineering.