A computer-implemented method for providing interoperable embedded application functionality from within a user-facing application executed on a client device, the computer-implemented method comprising: initiating, via a user-accessed application provided by a first application server, a data-driven connection comprising a library of one or more application program interfaces that enables interaction with an embedded application provided by a second application server, wherein the data-driven connection is served via the first application server, wherein a first executable code base defining the user-accessed application is at least partially distinct from a second executable code base defining the embedded application; identifying, via the data-driven connection, an embedded app data object that is maintained by the embedded application and processable via the user-accessed application, wherein the embedded app data object is persisted via the data-driven connection and wherein the embedded app data object corresponds to a user-accessed app representation maintained within the user-accessed application; cause rendering of an integrated interface by the user-accessed application, the integrated interface comprising an embedded app engagement element associated with the embedded app data object; in response to user interaction with the embedded app engagement element, managing the embedded app data object by at least: receiving, via the user-accessed application, data indicating update of the embedded app data object; and causing, via interaction with the embedded application utilizing the data-driven connection, updating of the embedded app data object. initiating, via a user-accessed application provided by a first application server, a data-driven connection comprising a library of one or more application program interfaces that enables interaction with an embedded application provided by a second application server, wherein the data-driven connection is served via the first application server, wherein a first executable code base defining the user-accessed application is at least partially distinct from a second executable code base defining the embedded application; identifying, via the data-driven connection, an embedded app data object that is maintained by the embedded application and processable via the user-accessed application, wherein the embedded app data object is persisted via the data-driven connection and wherein the embedded app data object corresponds to a user-accessed app representation maintained within the user-accessed application; cause rendering of an integrated interface by the user-accessed application, the integrated interface comprising an embedded app engagement element associated with the embedded app data object; in response to user interaction with the embedded app engagement element, managing the embedded app data object by at least: receiving, via the user-accessed application, data indicating update of the embedded app data object; and causing, via interaction with the embedded application utilizing the data-driven connection, updating of the embedded app data object. receiving, via the user-accessed application, data indicating update of the embedded app data object; and causing, via interaction with the embedded application utilizing the data-driven connection, updating of the embedded app data object.