During February 2025, this developer focused on backend improvements for the rabbitmq/rabbitmq-server repository, specifically addressing reliability in shovel deletion operations. Working primarily with Erlang and RabbitMQ, they corrected the shovel deletion command to use the properly exported stop_child function, replacing a previous call to a non-exported function. This adjustment aligned the code path with established API boundaries, enhancing the maintainability and safety of shovel-related CLI commands. By refining the deletion logic within the rabbit_shovel_dyn_worker_sup_sup module, they improved operational stability and reduced the risk of command failures, demonstrating careful attention to robust backend development and production reliability.