Sullivan Monteiro developed a CQRS-based module installation and upload workflow for the PrestaShop/PrestaShop repository, focusing on backend development and module lifecycle improvements. He introduced new command handlers, command classes, interfaces, and exceptions in PHP, updating the module manager to support decoupled upload processes. By enabling remote zip source handling for the application/octet-stream content type, Sullivan expanded integration options and binary transfer capabilities. His work established a foundation for improved scalability, traceability, and resilience in module operations, reducing deployment risks. The depth of the implementation supports future auditability, rollback, and parallelization, reflecting a thoughtful approach to PrestaShop module development.