HackerRank released the first annual 2018 Developer Skills Report! For the first time ever, they surveyed their community of 3.2 million developers to get a pulse on the state of developer skills today. Over 39,000 developers shared their thoughts on what new skills they’re learning, how they evaluate employers, which languages and frameworks are their favorites, and much more.
Source: https://research.hackerrank.com/developer-skills/2018/