Learning roadmaps
Know exactly what to learn next.
Every subject, mapped end to end — phase by phase, topic by topic. No guessing what comes next, no missing fundamentals. Pick a track and follow the path.
LLD
Low-Level Design
Go from raw object-oriented fundamentals to designing real, interview-ready systems — modeling, UML, SOLID, every design pattern, concurrency, and a graded ladder of machine-coding problems you can actually finish under a timer.
Intermediate9 phases · 112 topics
oopdesign-patternssolid
DSASoon
Data Structures & Algorithms
From arrays and recursion to graphs, dynamic programming, and the recurring patterns that crack coding interviews.
Intermediate12–16 weeks
algorithmsdata-structuresproblem-solving
HLDSoon
High-Level Design
Scale from a single server to globally distributed systems — caching, sharding, queues, and the classic system-design problems.
Advanced8–12 weeks
system-designdistributedscalability
More tracks are on the way. Roadmaps marked soon are being built out next.