Citi Application Development Intermediate Analyst interview questions

I applied online for a Software Developer position at Citi. I received a Zoom meeting invite, but before that, no one contacted me to explain how the interview process would work or to check my availability and preferred time. At the beginning of the interview, I noticed there were two technical interviewers. One of them said my microphone was too low, so I adjusted it and asked if it was better. They said it was fine. I kept my camera on, because I believe an interview is a chance for both sides to get to know each other. However, both interviewers kept their cameras off the entire time, which made me feel uncomfortable. Also, both interviewers had very strong accents (they were Indian), and for someone who is not a native English speaker like me, it was difficult to understand. One of them had an echo in his audio, and when I mentioned it, he did not try to fix it. Instead, he just passed the question to the other interviewer to repeat. During the interview, I realized it was a technical interview with many deep Java and Cloud questions, as if I was expected to memorize everything. At the end, they asked if I had questions, so I asked about the day-to-day work, the team culture, and whether the team had members from other countries. But they replied that this was "internal information" and they couldn’t share it, which I found surprising. I don’t understand how a candidate is supposed to join a company without knowing what the work culture is like. Overall, it was a very unpleasant experience. I strongly suggest that the interview process be improved.