$ ls labs/ | wc -l → 29
Fix real code. Pass the tests. Get graded.
Each lab is a small codebase with a work ticket. Rewrite the stub functions, run the unit tests in your browser until they all pass, then submit for hidden checks on fresh inputs and a score. No setup: Python runs in the page.
Zero to Hired AI Engineer
22 labs · syllabus →AIE-101free
Expense summary shows ₹0AIE-102free
Library lets members borrow foreverAIE-103locked
Retries that hammer the APIAIE-104locked
State literacy report is wrongAIE-105locked
Pick the default-risk thresholdAIE-106locked
Train a model with no frameworkAIE-107locked
Build a BPE tokenizerAIE-128locked
Attention from scratchAIE-108locked
The LLM bill doesn't add upAIE-109locked
Is the new prompt actually better?AIE-110locked
Search returns the wrong FAQsAIE-111locked
The RAG bot quotes half-sentencesAIE-112locked
The eval report says 100% recallAIE-113locked
The agent crashes on its first tool errorAIE-114locked
The model's JSON breaks the invoice pipelineAIE-115locked
The support graph forgets the conversationAIE-116locked
Our MCP server confuses every clientAIE-117locked
The skill router picks the wrong skillAIE-118locked
The research team never stops revisingAIE-119locked
Aadhaar numbers are showing up in our logsAIE-120locked
The fine-tune scored 98% on its own training dataAIE-121locked
One user's script took the whole API down