CodeGym | Coding challenges and lessons

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CodeGym

Ranked coding challenges and guided lessons, from white belt to red.

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Choose your track

Guided lessons and ranked challenges across five tracks

Step-by-step guided lessons, learn by doing

CoreLessons on core computing concepts DevLessons on building websites and apps DataLessons on data science and analysis InfraLessons on systems and devops SecurityLessons on security and defense

The belt ladder

The six belts, white to red

White

The start

Blue

Foundations

Purple

Growing

Brown

Advanced

Black

Expert

Red

Master