I got mail from ADP to share my details along with updated resume and as soon as I sent it I received the interview invite. There are total 4 rounds in ADP interview process. First two are Technical, Third round is Managerial and 4th round is HR. I would rate the interview level is Difficult as apart from the usual Java and Reactjs questions they are very keen on design patterns, time complexity and space complexity for the solutions that we are providing and should have very good hands on experience in writing logical code with correct syntax.