The project involved adding and deeply reworking the product logic for a more convenient and correct integration of new functionality. Thanks to the responsibility and attentiveness of the performer, we were able to quickly and, most importantly, correctly establish the logic of the entire system. I would like to specifically highlight the competence and enthusiasm that allowed us to solve even those tasks that were not explicitly stated. The speed of execution was impressive, and I was completely satisfied with the collaboration. Within the established deadlines, we not only implemented the milestone but also refined a number of additional aspects.