I was contacted via LinkedIn by the founder of the company. We scheduled the initial call that was supposed to be with him and 2 other devs. The call started without devs as they were apparently running late. The founder asked me to tell him about myself and as I was speaking he looked completely uninterested and was doing something on his laptop. Then after 10 minutes, he told me that devs apparently couldn't make the call today and asked me if we could reschedule the call. I said that's okay, he quickly hung up without telling me when we would schedule the call. That was the last time I heard from him, I sent him another email but I didn't get any answer. Completely unprofessional and rude.