Master essential algorithms (sorting, searching, graph algorithms) and data structures (arrays, linked lists, trees, hash tables, heaps). Includes time/space complexity analysis, implementation patterns, and when to use each structure.
Algorithms • Data Structures • Big O • Time Complexity • Space Complexity
Learn how to design scalable systems from scratch. Covers load balancing, caching, databases, microservices, and distributed system concepts. Essential for senior engineering roles and system design interviews.
System Design • Scalability • Load Balancing • Caching • Microservices
Understand processes, threads, memory management, file systems, and CPU scheduling. Learn how operating systems manage resources and provide services to applications. Critical for system programming and performance optimization.
OS • Processes • Memory Management • File Systems • CPU Scheduling
Comprehensive coverage of relational databases, SQL optimization, ACID properties, normalization, indexing, and transaction management. Also covers NoSQL databases, CAP theorem, and modern database architectures.
Databases • SQL • NoSQL • ACID • Normalization • Indexing
Deep dive into networking fundamentals: TCP/IP, HTTP/HTTPS, DNS, routing, and network security. Understand how modern internet infrastructure works and how to build network-aware applications.
Networks • TCP/IP • HTTP • DNS • Routing • Network Security
Explore P vs NP, complexity classes, reducibility, and approximation algorithms. Understand the theoretical foundations of computer science and why some problems are inherently difficult to solve.
Complexity Theory • P vs NP • NP-Complete • Approximation Algorithms