three rounds. HR for the first round, case studies, and the full-time interviews with the mentor they want to assign you to. They like people who are contratrain and can discover new things
I applied in-person. The process took 3 days. I interviewed at ZhenFund
Interview
ZhenFund recruits interns through their Gap Year Internship program unless their current interns leave. This is how I got this interview, I added recruiter's wechat and had a simple conversation with her. Then we arranged an interview the next day, it is a very simple process with easy questions.