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ACHIEVE MASTERY
THROUGH CHALLENGE



Improve your development skills by training with your peers on code kata that
continuously challenge and push your coding practice.


Get Started



SHARPEN YOUR CODING SKILLS



Challenge yourself on small coding exercises called "kata". Each kata is crafted
by the community to help you strengthen different coding techniques. Master your
current language of choice, or quickly pick up any of the 55+ programming
languages supported.


Join the Dojo



GET INSTANT FEEDBACK



Solve kata with your coding style right in the browser and use test cases (TDD)
to check it as you progress. Retrain with new, creative, and optimized
approaches. Find all of the bugs in your programming practice.




EARN RANKS AND HONOR



Kata code challenges are ranked from beginner to expert level. As you complete
higher-ranked kata, you level up your profile and push your software development
skills to your highest potential.




AN ENGAGED SOFTWARE DEVELOPMENT COMMUNITY



Codewars is a collective effort by its users. They are creators—authoring kata
to teach various techniques, solving kata with solutions that enlighten others,
and commenting with constructive feedback.

75K+



Community members added every month

1M+



Kata completed every month

12K+



Kata created by our community


TAP INTO THE COLLECTIVE WISDOM



Compare your solution with others after each kata for greater understanding.
Discuss kata, best practices, and innovative techniques with the community. Have
your mind blown by how different other solutions can be from your own.




CREATE YOUR OWN KATA



Author kata that focus on your interests and train specific skill sets.
Challenge the community with your insight and code understanding. Create
everything from common developer interview questions to challenges that push the
limits of your creativity. Gain honor within the coding dojo.




WHAT CAN I USE CODEWARS FOR?



From beginner to expert and beyond...


GET NEW PERSPECTIVES



Solve challenges then view how others solved the same challenge. Pickup new
techniques from some of the most skilled developers in the world.


LEARN NEW LANGUAGES



Solve challenges in a language you are comfortable with, then do it in a
language you want to improve with. Level up across different languages.


COMPETE WITH PEERS



Compete against your friends, colleagues, and the community at large. Allow
competition to motivate you  towards mastering your craft.

Extremely well done and an excellent example of mastery learning.





Ahmed Omran

@this_ahmed

Accidentally got addicted to codewars, oops.





Kelly Williams

Coder







BUILD SELF-CONFIDENCE



Not sure if you are progressing well as a programmer? Push yourself to your
limits and show yourself what you are really made of.


BECOME A MENTOR



Lend your expertise to others, either indirectly by contributing great solutions
or directly by creating your own kata and reviewing code.


THE LATEST



Insights from Codewars staff and community.

Author's Corner



AUTHOR'S CORNER, MEET GEOFFP


Author’s Corner is a new series that spotlights Codewars community members who
contribute new and exciting Kata to Codewars.

Vanessa Greene
May 29, 2024

Product News



WHAT'S NEW IN CODEWARS: APRIL HIGHLIGHTS


Welcome back to this month’s highlights from the Codewars engineering team!

Vanessa Greene
May 24, 2024
Competitions



INTRODUCING THE EPIC CHALLENGE 2024


🏆 Introducing The EPIC Challenge a two-part coding challenge in honor of
Andela's 10-year anniversary.

Vanessa Greene
April 29, 2024

CODEWARS IS BUILT ON




The world's most advanced coding assessment platform for organizations looking
to scale their hiring, upskilling, and certification programs.


Learn more

Achieve mastery
through challenge.

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