Learn Data Skills With Free Courses
Go from complete beginner to first-interview ready in data engineering, AI engineering or analytics. Clear lessons, real code, 900+ graded exercises and a capstone: about 180 to 200 hours of guided work per path.
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Your Beginner-to-Advanced Roadmap
Pick a goal. Each phase lists the courses, the hours of work and the checkpoint that tells you you're ready to move on. At 12 hours a week, most paths take about 4 months.
Follow a Path, Step by Step
Each path lines up the free courses in the order that makes sense for the job you want.
Pick a Course and Start Now
Every course has written lessons with code, hands-on exercises with solutions, a quiz after each module and a final project.
Built for Real Interviews
Free to Learn
Every course and path is free while we launch. No trials, no paywalls.
Real Code, Real Projects
Every lesson has working examples and an exercise. Every course ends with a project.
Quizzes & Progress
Check your understanding after each module and watch your progress fill up.
Best Free Resources
Each course links the official docs so you can go deeper from the source.
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