Category
DSA
Data Structures & Algorithms for interviews.
4 live courses · 7 on the roadmap
🧮dsa
Arrays & Strings
Master DSA problem solving, algorithm thinking, and FAANG coding interview patterns.
Beginner → Pro·40h content·120 lessons
Start Arrays & Strings🌳trees-graphs
Trees & Graphs
Master connected systems: BST, traversals, BFS/DFS, shortest paths and interview patterns.
Intermediate → Pro·32h content·109 lessons
Start Trees & Graphs🏗️low-level-design
Low-Level Design (LLD)
OOP, SOLID, UML, design patterns & classic interview problems — parking lot, ATM, elevator in Java 21.
Beginner → Advanced·28h content·42 lessons
Start Low-Level Design (LLD)🏛️high-level-design
High-Level Design (HLD)
Design scalable distributed systems — load balancers, databases, caching, Kafka, microservices & FAANG case studies.
Intermediate → Advanced·28h content·42 lessons
Start High-Level Design (HLD)On the roadmap
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