Optiver Hardware Engineer interview questions

Had a coding round and technical round, but got rejected in the technical round. It was pretty hard. Applied to the main website and was contacted by a recruiter with a link to the coding assessment. The overall procedure has 3 rounds Coding, technical interview and final round of technical interview

The first step in our interview process is an online coding test. Please note it typically takes candidates 1-3 hours to complete. Once you start the test, you have 24 hours to submit it. Following this email you will receive a link to the test from HackerRank. There are further instructions and details on the link. If you do not receive it within an hour of getting this e-mail, please check your spam folder. If it isn't there, write us back and we will look into it.