The present disclosure describes methods, systems, and computer program products providing an integrated development environment for client/server environments. One computer-implemented method includes reading a derived business application data model (BADM) associated with a business application into an integrated development environment (IDE), defining a client application data model (CADM) for a client application, defining at least one data mapping rule (DMR) to map at least data translations between the BADM and the CADM, developing the client application based upon at least the CADM, developing at least one web service based upon the BADM, CADM, and the at least one DMR, generating the client application and the at least one web service, and deploying the client application, the at least one web service, and the at least one DMR.