AT&T

The first round consisted of basic Java questions with a deep knowledge of collections. The second round was a tough managerial round, mostly asking about the network layer with basic HTTP questions. There were also deployment-related questions with

Initial interview was by telephone with the hiring manager. That was helpful, since we could communicate clearly on the subject matter. The second interview was on-site with the hiring manager, followed by a meeting with several team members, so they

The interview process is a multi-stage evaluation to assess a candidate's skills and cultural fit, typically starting with a screening and moving through several rounds of interviews. Key stages include: * Initial phone screenings * Formal intervie