Online hackerrank interview first, then 4 45 min interviews onsite. There was a lot of sitting around with other candidates, one of the interviewers seemed stressed out. I should have prepared for anything other than operating systems questions.

1. Phone screen, brief introduction 2. On site interview, 4 people, 1 hour for each. Need to write codes on board in each round. See details as below: 1) Overall, mainly based on projects, JavaScript, CSS, HTML5, Spring. 2) Frontend, mainly focused on JavaScript, basic theories, a little algorithm. 3) Backend, all about server side, protocols, algorithms 4) Manager interview, project description, technical issues, a little algorithm