Ravikant developed unified RBAC and ABAC filtering features for the Netcracker/qubership-integration-catalog-library and qubership-integration-runtime-catalog repositories, focusing on enhancing access control governance. He extended the ChainElementFilterColumn enum and introduced predicate logic to support filtering by accessControlType and abacResource, ensuring backward compatibility and cohesive design across both catalog and runtime modules. Using Java, Spring Framework, and JPA/Hibernate, Ravikant implemented new enums and filtering predicates supporting IS, IS_NOT, CONTAINS, and DOES_NOT_CONTAIN operations. His work reduced manual filtering effort, improved policy enforcement, and demonstrated a strong grasp of API development and security-focused backend engineering within complex enterprise systems.