Improving the user experience (Web 2.0), mobile application development, integration with other systems, increased security, etc. are the reasons that organizations convince in the technological transition from Oracle Forms to Oracle ADF (Application Development Framework) development environment. Oracle ADF is a software development framework built on the basis of the Java Enterprise platform, which Oracle provides strategic orientation. It allows developers to high productivity when creating software applications. Important financial organization in Slovenia has decided to switch to Oracle ADF. With the introduction of Oracle ADF in its development process, placing architecture and applications, the Gora company has been selected, as leading company in the development of Oracle ADF technology, which in addition to its own software solutions to support the backend operations of banks (angl. Core Banking Solutions) develops and supports other software solutions on Oracle ADF technology.