HackerEarth is a platform that helps companies hire smart programmers. It assesses programmers' skills through real-world problems and by analyzing their GitHub, StackOverflow, competitive programming profiles and more. HackerEarth only refers candidates that fit companies' needs, saving time over rejecting 95% of applicants in initial screens. It generates revenue through monthly subscriptions for job posting and assessment tests, and takes a fee per hire. Current traction includes 18,000 monthly unique visitors spending 3 hours on average.