Codewars

Topcoder is the world’s largest technology network and on-demand digital talent platform with more than 1.6 million developers, designers, data scientists, and testers around the globe. Topcoder empowers organizations including Adobe, BT, Comcast, Google, Harvard, Land O’Lakes, Microsoft, NASA, SpaceNet, T-Mobile, US Department of Energy, Zurich Insurance, and more, to accelerate innovation, solve challenging business problems and tap into hard-to-find technology skills. Topcoder was born in 2000. We’ve listened to our customers through the years and created 3 useful ways for you to engage and execute with our amazing talent. Incredible digital and technology talent, ready to work. Scope, start and execute work much faster. Better talent, better outcomes. It’s not rocket surgery. You’re not alone. Access traditional professional services if you want extra guidance. You don’t have to change. Tap open APIs and integrations to work in approved environments.

Level up your coding and interview skills. Prepare for coding interviews from leading tech companies with our interview prep material. Seamless Coding Environment. A full-screen editor hosted in our platform to help you easily solve our challenges and practice. Solve challenges in one of 10+ programming languages and validate your solutions easily on our platform. Solution Guides. With a Coderbyte membership subscription, you'll have access to over 1 million solutions from other developers. Improve your skills by learning how other people solved the same challenges as you. Progress Reports. See how you're progressing with every challenge you complete. You'll be awarded points, badges,, and you'll start ranking up against other developers as you solve more challenges. The industry’s #1 code assessment platform for screening, interviews, and take-home projects. All plans include unlimited candidates, assessments, and user accounts.