During April 2025, Alessandro focused on backend development for the KratosMultiphysics/Kratos repository, addressing reliability issues in the PfemFluidDynamicsApplication. He resolved a bug in parameter handling by implementing robust nested parameter iteration, ensuring that lists of parameters were correctly processed during meshing and output workflows. Using Python and full stack development skills, Alessandro’s patch improved the stability of simulation setup and result generation, reducing user-facing failures in configuration workflows. The targeted fix demonstrated careful code hygiene and maintainability, enhancing the reliability of Pfem-based workflows within Kratos and contributing to a more stable and user-friendly simulation platform overall.