Approached by a recruiter lady and she was quick to put me into a phone screen. I had first phone conversation with 2 engineers. They were both young and inexperienced. I did my best but , interviewers were not really fit (they called me late, they didn't really understand the technical differences between basic data structures etc). Also they tried to ask two question, after calling in late and spending some time with resume, and trying to get a specific answer in their mind, but one of the question was an open ended design question, there is no single answer. The next business day recruiter lady called me and told 'Hiring committee realized my interview was not conducted properly and LinkedIn would like to fix it'. LinkedIn wanted to renew the phone screening. I was not sure after first bad experience, but then I changed my mind and wanted to explore. Next next day, recruiter seems to have changed her mind, once again, she sent me an email with asking "do I really want this second phone screen, since I have offers from other companies like Amazon, FB. For some reason, among all other companies LinkedIn was the worst of all. Their so-called senior engineers have a few years industry experience, recruiter keep having second thoughts. At least my experience was consistently bad. Luckily coming from Microsoft, going to another big competitor, LinkedIn didn't put a dent in my career, and I am appalled by level of unprofessional-ism.