Magic.com, the technology subsidiary of Mortgage Guaranty Insurance Corp. (MGIC), and WellFound Decade Corp., a provider of business software, have created a new system designed to let customers integrate MGIC’s eMagic portal with their back-office systems. Officials at the two companies said that the point of the project is to leverage the existing library of source and target adapters of WellFound Decade’s existing Mortgage Integration Foundation product. …