Hospital for Special Surgery Software Engineer interview questions

A 3rd party recruiter lead the interview process with the hiring manager. I had a 30 min video interview with the hiring manager to introduce ourselves. 2nd and final interview with the hiring manager was a 3+ hour in-person interview inclusive of technical assessments. Was told I would be informed of a decision within a week. I followed up a week later via email, no response - the recruiter reached out as well with no response. Followed up one last time 3 weeks later, still no response to me or recruiter. Completely ghosted after cordial interview and exchanges. Completely unprofessional and inconsiderate of candidates.