✳ YOUR BACKEND ADVENTURE0 XPA fresh start Go beyond
the storefront.
Understand the system behind every click. Learn the concepts, play with the rules, and guide AI with confidence.
108 focused lessons3 learning gamesAt your own pace
A SMALL SYSTEM. A BIG IDEA.Interactive
01A click sends the variant and quantity. The request is an instruction to check, not proof that the cart changed.
YOUR FIRST MISSIONFollow one request
What happens after a customer clicks Add to cart?
Lesson 01 · Part 01 · +20 XP THE BIG PICTUREYour path to “I get it.”
28 connected parts. From concepts to practical integration.
0 / 108 completeRequests, data, trust, and the catalog.
Every part is open to explorePART 01Your next chapter
Trace a request from a customer action to a saved result.
PART 02Ready to explore
Explain relationships and protect stored data from invalid changes.
PART 03Ready to explore
Protect identities, ownership, secrets and sensitive data.
PART 04Ready to explore
Model sellable items, quantities, carts and trustworthy totals.
LEARN IT. THEN PLAY WITH IT.
Make the ideas stick.
Try, get feedback, try again.THE FIELDSTORE PRACTICE STUDIOConnect it. Break it. Repair it.
16 guided missions for configuration, permissions, shipping, and recovery. Synthetic data. No accounts required.
SMALL WINS, REAL UNDERSTANDINGA little further, every time.
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First stepFinish one lesson Chapter closerFinish every lesson in any part System thinkerFinish 20 lessons Game changerSolve all three arcade games Full pictureFinish all 108 lessons New to all of this? Start with the vocabulary and a little prework.