Low Level System Design, Design Patterns & SOLID Principles
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Unclaimed ProfileMastering Low-Level System Design (LLD) is a critical milestone for software engineers aiming to transition from junior developers to senior architects. This comprehensive course, created by Prateek Narang, a Senior Software Engineer at Google, bridges the gap between theoretical object-oriented programming concepts and practical, production-ready system architecture. Throughout this course, learners dive deep into the core mechanics of SOLID principles, understanding how Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion actually manifest in real-world code. Beyond principles, the course demystifies Creational, Structural, and Behavioral design patterns, equipping you with the templates needed to solve recurring architectural challenges. Whether you are preparing for rigorous technical interviews at top-tier tech companies or looking to refactor complex legacy codebases, this hands-on guide provides the step-by-step blueprints. By studying clean code practices, modular design architectures, and object-oriented paradigms, you will gain the confidence to design systems that are not only scalable and highly maintainable but also resilient to evolving business requirements.
About the creator
Prateek Narang Sr. Software Engineer Google
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Prateek Narang is a highly respected educator and Senior Software Engineer at Google, renowned for his ability to simplify complex computer science concepts for learners worldwide. With years of industry experience at top-tier tech companies, Prateek specializes in translating abstract software engineering principles into practical, production-ready knowledge. His instructional focus centers on core architecture, including Low Level System Design (LLD), Object-Oriented Design Patterns, and the foundational SOLID principles that govern clean, maintainable code. Prateek's teaching methodology is deeply rooted in hands-on implementation; he rejects purely theoretical lectures in favor of live-coding sessions, real-world case studies, and interactive design problems. By…Show more
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Program Overview
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Learning format
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Price may change · updated within 1–2 weeks
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What You'll Learn
- Deconstruct and apply the five SOLID design principles to write highly maintainable, extensible, and loosely coupled object-oriented code.
- Implement Creational design patterns, such as Singleton, Factory, and Builder, to manage complex object instantiation systematically.
- Leverage Structural design patterns, including Adapter, Decorator, Facade, and Proxy, to elegantly orchestrate relationships between distinct entities.
- Master Behavioral design patterns like Strategy, Observer, Command, and State to control complex communication pathways and execution flows between objects.
- Translate abstract system requirements into robust low-level design diagrams and concrete, production-ready class hierarchies.
- Develop actionable strategies for refactoring tightly coupled legacy architectures into modular, easily testable codebases.
- Excel in technical Low-Level Design (LLD) interview loops typical of major technology companies like Google, Meta, and Amazon.
Best For
- Software engineers preparing for technical LLD interviews at FAANG companies
- Developers looking to transition from junior roles to senior or architectural positions
- Programmers aiming to write cleaner, modular, and more maintainable production code
- Engineers who struggle with refactoring legacy systems and managing complex object relationships
Not For
- Absolute beginners who have not yet learned the syntax of an object-oriented programming language
- Developers interested primarily in high-level system design, distributed systems, or cloud infrastructure
- Learners seeking a quick theoretical overview without interest in implementation details or coding practices
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