Codility is an online technical recruitment platform that helps companies evaluate the coding skills of potential hires through coding tests and challenges. The platform provides tools for recruiting teams to assess developers on their ability to solve problems using various programming languages. Codility's assessments are designed to simulate real-world coding tasks, giving insight into candidates' problem-solving abilities, coding efficiency, and technical proficiency. The platform is often used to streamline the hiring process, ensuring that only the most qualified candidates advance to further interview stages.