System Design, taught as mental models

Build mental models, not checklists
Understand why a system exists, not just its API. A 12-week backend engineering roadmap that connects the dots.
Study with AI by your side
Every week is structured for ChatGPT, Claude, or your preferred assistant. Includes a ready-to-use study prompt.
Built for backend engineers
Interview prep, distributed systems, or leveling up. 5–6 hours a week, two focused sessions, topics that build on each other.
What the sheet includes
Everything you need to go from fundamentals to distributed-systems frontiers, organized into one self-guided document.
Backend EngineersSDE Interview PreparationEngineers moving into Distributed SystemsSelf Learners
- ✓12-week structured roadmap across 4 phases
- ✓50+ curated study topics with outcomes
- ✓Ready-to-use AI study prompt
- ✓16 practice problems with difficulty tags
- ✓6 hands-on mini projects
- ✓Curated video library
Lifetime access
$5/ lifetime
Pay once. The full sheet, forever — including future updates.
Get the sheet — $5No subscription. No expiry.