1 phonescreen with the recruiter; 1 weirdly hostile panel with the recruiter and the VP of Human Resources; 1 interesting talk with the Principal Data Architect; and then you'll never hear from them again. Follow up once a week after, you'll be fobbed off with "we'll get back to you ASAP" and it's back to the crickets. Charitably, these people are not serious; cynically, they have no respect for your time or energy. In either case, a terrible way to treat a candidate. Don't expect anything from them.