Atlassian Senior Support Engineer interview questions

One screening paper exam with basic troubleshooting questions and 3 other interviews. HR, technical and management interview. Well prepared questions but not sure if their HR exactly understands what the team is looking for. Overall, questions were not too difficult but I've been rejected after the final interview. Solid feedback for an applicant's own benefit should be considered as a courtesy after spending significant time and energy but this company doesn't seem to care.

First, phone interview with someone from HR, then with the hiring manager over the phone, after that a face to face interview with two technical people followed by interview with hiring manager and his boss. Lastly interview with the global manager.