Rivian

I went through the full process: a tech screening and an interview-o-rama. The final step was an interview with the hiring manager. He did not show for the scheduled interview. Later, I received a message from him instructing me to contact him ASAP,

There were five rounds. I had an initial call with a very friendly HR representative and got a very nice impression of the company. After that, I had the following rounds: * Staff Engineer * Engineering Manager * System Design * Product Manager A

The recruiter reached out to me and set up a meeting invite. I waited for 10 minutes before I sent him another email to remind him. He called me right after the email, but without any explanation, and the whole conversation was condescending. Also