keerti-lld
Learn LLD Low Level System Design by keertipurswani with comprehensive video tutorials and hands-on projects.

Meet Your Instructor: Keerti-Purswani
Keerti Purswani is a dynamic computer science educator and founder of Educosys, specializing in data structures, algorithms, system design, and generative AI education. With a passion for making complex technical concepts accessible, Keerti has helped thousands of students excel in competitive programming, technical interviews, and real-world software engineering challenges. Her comprehensive approach combines hands-on practice with deep conceptual understanding, preparing students for careers at top tech companies.
Experience: 10+ years
Students Helped: 50,000+
Specialization: DSA, System Design & AI Education
Course Overview
This comprehensive course is designed to take you from foundational concepts to advanced implementation in dsa, system design & ai education. You'll learn through hands-on project-based learning with live coding sessions, real-world case studies, and comprehensive doubt-clearing support, building real-world projects that demonstrate your skills and enhance your portfolio.
Whether you're looking to start a new career in technology or advance your current skills, this course provides the structured learning path and practical experience you need to succeed in today's competitive tech industry.
Course Curriculum
Course Content
Day 1 - OOPs, SOLID Principles
Day 2 - Relationships between Classes, UML
Day 3 - Simple Factory, Factory Method & Abstract Factory Design Patterns
Day 4 - Builder, Prototype and Singleton Design Patterns
Day 5 - Singleton, Observer Design Patterns
Day 6 - Command, Chain of Responsibility, Iterator Design Pattern
Day 7 - Strategy and Template Design Patterns
Day 8 - Revision, Adapter and Decorator Design Patterns
Day 9 - Bridge, Composite, Facade and Proxy Design Patterns
Day 10 - Elevator System Design
Day 11 - Interview Tips, Chess System Design
Day 12 - IRCTC System Design
Day 13 - Meeting Scheduler LLD
Day 14 - Zerodha, NoBroker
Day 15 - Parking Lot, Recommendation System, Arena Question
Requirements
- Basic understanding of object-oriented programming
- Knowledge of design patterns and software engineering principles
- Internet connection for video streaming
- Code editor (VS Code recommended) for practice
- Experience with software development and system design
Course Features
Course Details
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