has been recognized fully capable and skilled in
Ruby Problem solving
What is CodinGame Certification?
Over 2 million coders from around the world sharpen their programming skills, for free, by playing games and solving puzzles on CodinGame.com. Companies looking to hire and retain skilled programmers turn to CodinGame for Work to uncover hidden gems, streamline their recruitment process, and delight their tech teams. Backed by developers and trusted by recruiters, CodinGame Certifications attest a level of knowledge in a specific language or framework.