Well "earning a top ranking for Java developers globally" means from the global pool of HackerRank scores. People who already have tech careers aren't going to

Well "earning a top ranking for Java developers globally" means from the global pool of HackerRank scores. People who already have tech careers aren't going to see the point in doing a ton of tests on HackerRank. It's not surprising that one of the top scorers was someone who lived in a town where he couldn't get a job using compsci skills. He was looking for a way to prove his skills since he didn't have credentials or work experience.