Master SOLID principles, design patterns, and real-world low level design problems like BookMyShow, Parking Lot, and more-step by step with in-depth explanations.

A deep dive into the core building blocks of scalable systems. Before tackling case studies like Google Docs and YouTube, understand load balancing, databases, caching, and more!

Your ultimate guide to the most frequently asked DSA problems. Learn optimized solutions with intuition, patterns, and real interview insights.

Go beyond theory! Learn practical multithreading concepts with real-world examples, performance optimizations, and best practices to write efficient, concurrent Java applications.

Become a backend powerhouse! Dive into advanced Spring Boot concepts, API optimization, Kafka, Redis, choosing right database, and React—bridging the gap between frontend and high-performance backend architecture.

Refreshing everything! (CS Fundamentals, LLD & System Design) Expect clearer explanations, better diagrams, real-world examples, and an overall smoother learning experience.

A crisp and to-the-point guide to the most commonly asked CS fundamental questions, covering operating systems, networking, databases, and more!