A system includes a client device including a processor configured to implement a candidate evaluation software application and a server computer in communication, via a network, with the client device. The server computer is configured to receive, from the client device, a queue request. The queue request includes a candidate identifier. The server computer includes determine, using the candidate identifier, a candidate target attribute, identify a first candidate queue from a plurality of candidate queues using the candidate target attribute, and encode into the first candidate queue a reference to the candidate identifier. The server computer is configured to identify, in a first administrative queue, an administrator identifier, the first administrative queue being associated with the candidate target attribute, and establish at least one of a video and an audio data connection between the client device and an administrator device associated with the administrator identifier.