Complete track · self-paced · interview-focused
The Complete Low-Level Design Course.
“System design” for most junior-to-mid interviews means LLD: model a parking lot, design Splitwise, know your patterns cold. This course takes you from your first class diagram through SOLID, every Gang-of-Four pattern, and ten full machine-coding case studies — and every UML diagram builds itself step by step, right in the page.
3parts
8sections
51lessons
0projects
~10hest. time
Full curriculum
IFoundations
Beginner → Intermediate0%
1 Getting Started2 lessons
2 OOP Foundations8 lessons
3 SOLID Principles5 lessons
4 Design Principles4 lessons
IIDesign Patterns
Intermediate → Advanced0%
5 Creational Patterns5 lessons
6 Structural Patterns7 lessons
7 Behavioral Patterns10 lessons
IIICase Studies
Advanced0%
8 Machine-Coding Case Studies10 lessons
Completed In progress Upcoming🏆 Project — hands-on build💡 Insight — usually skipped elsewhere⚠️ Trap — classic mistake to learn early