Exchanged emails and then had a good conversation with recruiter by phone. He arranged a phone call with hiring manager promptly. That call seemed (at least from my perspective) to go well. I was supposed to hear back from company but never did; the hiring manager said next step would be further phone calls with more of the team. Followed up with thank you notes after interviews. Followed up with HR a week or two later to check status, but did not get courtesy of a response. Tried following up again in another couple weeks - and again no response from HR. I would have been a remote employee, and it's understandable that they may have found and gone with a local candidate, but some sort of follow-up from HR or the hiring manager would have been appropriate/basic courtesy. Interesting company - but disappointing interviewing experience.