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Type of businessPrivate
Type of site
FoundedNovember 2012; 7 years ago (2012-11)
Founder(s)Nathan Doctor and Jake Hoffner

Codewars is an educational community for computer programming. On the platform, software developers train on programming challenges known as kata.[1] These discrete programming exercises train a range of skills in a variety of programming languages, and are completed within an online integrated development environment.[2][3][4] On Codewars the community and challenge progression is gamified, with users earning ranks and honor for completing kata, contributing kata, and quality solutions.[5][6]

The platform is owned and operated by Qualified, a technology company that provides a platform for assessing and training software engineering skills.[7]


Codewars was founded by Nathan Doctor and Jake Hoffner in November 2012. The project initially began at a Startup Weekend competition that year, where the platform was prototyped over a weekend. During that competition Codewars was awarded first place, drawing the attention of engineers, and funding interest from two of the judges Paige Craig (angel investor) and Brian Lee (entrepreneur).[8]

After building the first production iteration of the platform, it was launched to the Hacker News community, receiving significant attention for its challenge format and signing up approximately 10,000 users within that weekend.[9]


The company raised over $1 million in funding from a range of investors in the technology space. The first round of capital was a raise of $91,000 from angel investors Paige Craig and Brian Lee, founder Nathan Doctor, and a competition prize from the University of Southern California New Venture Competition.[10] The company later raised a Seed Round from Cornerstone OnDemand Inc., as the first investment out of their Innovation Fund, and venture capital fund Hinge Capital (formerly Venture51).[11][12][13]


  1. ^ "Codewars: Train your coding skills". Codewars. Retrieved 2020-01-22.
  2. ^ Mitchell, Julian. "Codewars Co-Founder Nathan Doctor's New Venture Makes It Easy To Identify Top Developers". Forbes. Retrieved 14 October 2017.
  3. ^ Rutherford-Morrison, Lara. "6 Best Resources To Learn How To Code". Bustle. Retrieved 14 October 2017.
  4. ^ Jens, Horst. "Teach coding with games: a review of Codewars and CodeCombat". Retrieved 14 October 2017.
  5. ^ "Codewars - About". Codewars. Retrieved 2020-01-22.
  6. ^ "How an ES6 Codewars Kata Made Me Look Foolish - DZone Web Dev". Retrieved 2020-01-22.
  7. ^ "Qualified - About Us". Retrieved 2020-01-22.
  8. ^ "CodeWars, where development ninjas square off for honor (and possibly jobs?)". Pando. 2012-11-30. Retrieved 2020-01-22.
  9. ^ "CodeWars: the Hacker Society where devs compete | Hacker News". Retrieved 2020-01-22.
  10. ^ "Codewars Funding Round - Angel Round". Crunchbase. Retrieved 2020-01-22.
  11. ^ "Cornerstone OnDemand Launches Incubator and Innovation Fund | Cornerstone". Retrieved 2020-01-22.
  12. ^ Dorbian, Iris (13 January 2015). "Venture51 collects $2.3 mln for new fund". PE Hub. Retrieved 14 October 2017.
  13. ^ "Codewars Funding Round - Seed Round". Crunchbase. Retrieved 2020-01-22.

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