I applied through a recruiter. The process took 1 day. I interviewed at Didi Chuxing (Beijing, Beijing) in Mar 2017
Interview
Two rounds of interview in one day. First one involves resume, experience and coding (two sum). The second one involves resume, open problem and some machine learning concepts. Generally, the interviewers are very friendly, and they accept that you do not know well of the concept.
The process took 2 weeks. I interviewed at Didi Chuxing (Beijing, Beijing)
Interview
4 rounds. first three are technical interviews. Technical interviews includes questions about pase project, details about ML/DL models. Analysis to the computation complexity. Experience with SQL. Leetcode mdium level coding.
Interview questions [1]
Question 1
Walk thought the motivations, tech details and implementations of a model used before.
I applied online. I interviewed at Didi Chuxing (Shanghai, Shanghai)
Interview
It was great, the interviewer was very nice
Operations Research Project
ABtest project (Power Analysis, with specific formulas briefly described)
Linear Programming Solution Method (Simplex Method)
Non-Linear problem solving
Lagrangian
KKT
Live coding
Interview questions [1]
Question 1
ABtest project (Power Analysis, with specific formulas briefly described)
I applied online. The process took 1 day. I interviewed at Didi Chuxing (San Francisco, CA) in Jan 2018
Interview
I applied online and contacted by a recruiter from Didichuxing's AI lab. Someone in the research lab gave me a phone interview. I was asked two types of technical questions in the interview. One is related with the project conducted in Didi. Another is related with my previous projects. I got a rejection letter after the phone interview.
Interview questions [1]
Question 1
One question related with the project in Didi. Some questions related with the projects I did.