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Keep the spark.
Seven days. One lesson at a time.
Explorer
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One step at a time.
Your published lesson progress.
A foundation.
A direction. A future.
Two engineering journeys. Shared foundations. Learn one step at a time, at your own pace.
FREE FOREVER
Backend Engineer
Understand the foundations. Learn to program. Build the systems behind a product.
- Computer & Internet History
- CS50
- Backend Engineering
FREE FOREVER
AI Engineer
Build a programming foundation, understand backend systems, then engineer AI applications.
- Computer & Internet History
- CS50
- Backend Engineering
- AI Engineering
Build your foundation.
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Computer & Internet History
Understand how computing and the internet came to be.
CS50
Build your foundation in programming and problem solving.
Backend Engineering
Build, test and operate the systems behind applications.
AI Engineering
Understand and build practical AI systems.
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Complete a path, pass its assessment, and issue a certificate in your chosen name.
Progress tracks lessons you mark complete. Published assessments test your understanding before a certificate is issued.