1st Tech round with 4 people, Manager, Lead, Tech Architect, and Scrum master.
2nd Tech/HOD interview with detailed tech discussion, Scenario based questions and pattern based questions like explain Problem statement then actuals(process issues/tech gaps etc) then which architecture used then technology skills used.
HR is not professional , More focus on salary negotiation by catching a single reason for job change or interview process even though candidate have good feedback from panel.