HackerRank is a technology hiring platform that is the standard for assessing developer skills for 2500+ companies around the world. HackerRank helps companies hire skilled developers and innovate faster by enabling tech recruiters and hiring managers to objectively evaluate talent at every stage of the recruiting process.
Topcoder is a platform for scalable human + AI talent, enabling enterprises to build, modernize, and validate complex technology faster through a global network of expert problem solvers.