Writing of data processing programs; Updating of software for data processing; Rental of software for data processing; Updating and rental of software for data processing; Development and creation of computer programmes for data processing; Developing and hosting a server on a global computer network for the purpose of facilitating e-commerce via such a server; Software as a service (SaaS) services featuring software for importing, exporting, updating and migrating data in e-commerce platforms using data files and integrations into 3rd party systems and databases