There were two rounds:
Both were very easy, but the HR round can be tricky and depends on your interviewer. They might also ask technical questions instead of HR-related ones.
I was asked a question very similar to LeetCode's "Valid Anagram," and was also asked to optimize it further with a follow-up question.
The following metrics were computed from 11 interview experiences for the Atlassian SDE-intern role in India.
Atlassian's interview process for their SDE-intern roles in India is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Atlassian's SDE-intern interview process in India.