Two-rounds interview, which first round is purely about research project communication and second round is about coding and research interest match. Coding is to write a cross-attention manually. But there isn't any response one week after the second round, even if I wrote a follow-up email to their hr.

2 round of interview. First peer, second hiring manager. Ask about your resume, research experience and leetcode. The first round is more about research. We talked about recommender systems, RL and LLMs. No coding. The second round interviewer is more senior. She doesn't have background in my research, at last there is a medium to hard leetcode