there are three stages of interview. The first one is phone interview. The question are very easy. Mainly about the company information, and the skill you have. The second one is online interview and a online test. The online test is about excel, sql, linux and project management . The third one is in person interview.

I need to do a self introdfuction at first and I was asked to describe a challenge you have met before. Describe the job for me. And told me to wait