Had a great interview experience at Atlassian. The HR of the company are friendly and responsive, and the interviewers are knowledgeable and positive during the interview. I had a total of 6 rounds of interview:

1. HR - HR just asks about your experience and checks skills based fitment.

2. System Design - Question: Design a URL Scraping System. I was able to solve this. However, the expectation is to go deep and design the core Scraping API, which I was able to do after the interviewer insisted. So be ready to showcase your API design skills: URL, Request, Response, Data Model, etc. Also be ready to provide the tech stack along with tradeoffs.

3. Leadership and Craft - Lot of questions around delivery, project management, stakeholder management, mentoring, etc. I did pretty well in this.

4. Values - This is about Atlassian values. HR will tell you how to prepare for this. I did pretty well.

5. Data Structure - Last Hero Problem. In an F1 race, find the person who has done the fastest lap in all races. I solved it using a HashMap of racer and max lap time. Later on, I sorted the map and gave the last lap hero. I made a silly mistake, and my test cases were failing. Hence, I did not make it.

6. LLD - I don't remember the question. It was around Most Popular content. I used a HashMap for storing content and frequency (thumbs up/thumbs down).

Design a URL scraping system for scraping photos from URLs. You are given a list of seed URLs, and then you need to expand to other sites from there.