Worked on the hibernate/hibernate-orm repository to deliver cascade support for Any and ManyToAny mappings in Hibernate ORM, enabling cascade operations such as persist, merge, remove, and refresh for complex object graphs. The implementation introduced a cascade attribute to relevant annotations and expanded test coverage using JUnit, ensuring transactional consistency and reducing manual configuration for mixed or polymorphic associations. The work included validating cascade behavior through both annotation-based and XML mapping tests, leveraging Java and XML Mapping skills. This feature enhanced the ORM’s flexibility and reliability when handling advanced association scenarios, reflecting a focused and technically thorough engineering approach.