I spoke to the hiring manager first as a screening step. This was then followed by a technical interview with a senior engineer in a slightly different role. I didn't pass this stage because I thought the role demanded more software knowledge as opposed to knowledge of Computer Vision algorithms for which the job posting was made

Three Calls from Hiring Managers/ Team Leaders Team Managers had difficulty finding a time slot in the time frame THEY proposed. One call had to be rescheduled just hours before the time to an after hour call in the evening. Interviewers seemed to not have read the resume prior to the call.