HackerRank

HackerRank is an online platform used by companies to assess and improve the skills of software developers through coding challenges and technical tests. It hosts a wide range of programming problems across different topics and difficulty levels, allowing users to practice and demonstrate their coding abilities. Employers often use HackerRank to identify qualified candidates for technical roles by reviewing their performance on these challenges. The platform also offers learning resources and competitions, making it a valuable tool for developers to enhance their skills and for organizations to find talented programmers efficiently.