Interviewer didn't show his face as usual. I've interviewed with Citi bank several times over the years and they never show their face even if its a panel of people. They asked technical language definition questions. Only has vague answers about what the job is because he doesn't know. His only job is to grill you on whether you know what one java syntax does compared to another. Apparently they think that's the only thing that's important to working for Citi. Do you know how the inner workings of this keyword in java, spring, angular, or sql? Yes? Great. We have 30 more similar questions for you. If you pass this round, we will do this again for 3 more separate interviews where each round another faceless interviewer will ask you another list. After the interviews you learn nothing about the company and give you no reason to want to work there.