five paths · one idea

Learn it by seeing it, then building it.

For software engineers moving into AI/ML, Claude-based agents, or cloud security — every concept is something you can click, drag and break.

No hand-waving, no walls of text. Pick where you're headed. 100% free, works offline, no trackers.

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Engineer path

AI/ML Engineer Roadmap

Zero → senior AI/ML engineer across 10 phases: Python, the math (as pictures), classic ML, deep learning, transformers, LLMs & RAG, MLOps, agentic systems and security.

… lessons262 explainersThe Model Foundry 🤖
Start the roadmap → path home
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Day-by-day plan

AI Engineer

The same material as a dated plan: daily reads, exercises and projects with a progress tracker, so you always know what to do next.

… lessonsTracker + streaks
Start Day 1 → path home
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Certification prep

Claude Certified Architect

Prep for Anthropic's CCAR-F exam: the agent loop, tool & MCP design, Claude Code workflows, prompt engineering and context management.

… lessons5 exam domainsThe Agent Hangar 🚀
Enter the hangar → path home
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Career switch

Threat Modeling for Cloud

From developer to security contributor: the four questions, STRIDE, IAM and cloud controls on AWS, Azure and private cloud, with a threat-modeling Studio.

… lessonsCCSK v5 + SCS-C03
Start with M0 → path home
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Get hired

AI Engineer & AI Architect interviews

Interview loops, GenAI system-design rounds and the portfolio that gets you through them.

… lessonsLoops + design rounds
Start here → path home
live demo · self-attention Open the full lesson →

Q·Kᵀ → softmax → ·V, running live on five real 2-D toy vectors — the same three matrices every transformer runs at every layer.

▾ choose your path
6 of 262 explainers
Decision trees explainer panel Decision trees Backpropagation explainer panel Backpropagation Inside a CNN explainer panel Inside a CNN RoPE and KV cache explainer panel RoPE & KV cache RAG pipeline explainer panel RAG pipeline Attention Is All You Need illustrated paper panel Attention Is All You Need

New here? The AI/ML roadmap assumes no prior ML. The Architect track assumes you already build with LLMs. Threat Modeling for Cloud assumes no security background, just working dev experience.

Your place is saved in this browser — The Path picks up where you left off.

AI/ML roadmap Architect → The Hangar Threat Modeling for Cloud 💼 Careers — get hired 📖 Illustrated Books 📱 Get the app GitHub ↗

The whole core is free forever. Optional extras — uploaded books and an AI study tutor — help it pay for itself without ads or trackers.