Grokking Design Patterns for Engineers and Managers
Unlock the power of design patterns: Elevate your coding skills with timeless solutions for top-notch software design.
Course Overview
Ever wondered how to make your software designs stronger, more flexible, and easier to update? That's where design patterns come in! These are like secret recipes that help software developers solve common problems in a super smart way. Imagine having a magic toolbox that makes building software smoother and your code way more awesome. In this course, you'll dive into the world of design patterns, a treasure trove of solutions that seasoned programmers have developed over the years. It's like learning the best baking tips from top chefs around the world. But don't worry, we'll make it super easy to understand—even if you're new to this! Here's what we'll do together: - Break It Down: We'll explain each design pattern in plain language, so you get what it's all about. - Real-Life Magic: We'll connect each pattern to everyday situations to make it click for you. - Picture This: With neat diagrams, you'll see exactly how each pattern fits together. - Code It: Then, we'll jump into coding with examples in Java, Python, JavaScript, and C++. - Pros, Cons, and Where to Use Them: Lastly, we'll explore where to use these patterns to make your software shine and discuss their ups and downs. This course is perfect for anyone who wants to build better software—whether it's for a small project or a huge system. You're not just learning to code; you're learning to think like a pro. Let's start this exciting journey and unlock the full potential of your programming skills!
What you'll learn in Grokking Design Patterns for Engineers and Managers
- All 22 classic design patterns, organised the way they are always classified: creational, structural, and behavioral, with a chapter for each family.
- The seven structural patterns: adapter, bridge, composite, decorator, facade, flyweight, and proxy.
- A real-world example before the class diagram for every pattern, so you meet the problem before you meet the solution.
- The pros and cons of every pattern, which is the follow-up question after you name one, and the part most references leave out.
- How the three families differ, so you can narrow to the right group before you argue about a specific pattern.
- The five creational patterns: singleton, factory method, abstract factory, builder, and prototype.
- The ten behavioral patterns: chain of responsibility, command, iterator, mediator, memento, observer, state, strategy, template method, and visitor.
- The structure of each pattern shown as a diagram, then implemented in code in Python, Java, JavaScript, and C++.
- Where each pattern actually turns up in systems and frameworks you already use, rather than in an abstract Shape and Circle example.
- Enough fluency to name a pattern in a design review or a low level design interview and then defend why it fits.
Course Content
Creational Patterns
Introduction
Singleton Pattern
Factory Method Pattern
Abstract Factory Pattern
Builder Pattern
Prototype Pattern
Summary
Structural Patterns
Introduction
Adapter Pattern
Bridge Pattern
Composite Pattern
Decorator Pattern
Facade Pattern
Flyweight Pattern
Proxy Pattern
Summary
Behavioral Patterns
Introduction
Chain of Responsibility Pattern
Command Pattern
Iterator Pattern
Mediator Pattern
Memento Pattern
Observer Pattern
State Pattern
Strategy Pattern
Template Method Pattern
Visitor Pattern
Summary
What people say about our courses
About the Author
Arslan Ahmad
Industry Expertise & Leadership
Arslan Ahmad is the lead author of Grokking Design Patterns for Engineers and Managers. As the founder of Design Gurus and a former FAANG hiring manager, he has worked at industry giants like Facebook (now Meta) and Microsoft.
He has conducted hundreds of system design interviews, giving him unique insight into what top tech companies look for in candidates.
The course also incorporates expertise from senior engineers at Google, Meta, Amazon, Microsoft, and Uber, ensuring you learn system design best practices from professionals who have built and scaled real-world systems.
500+
Interviews Conducted
10k+
Students Taught
Related Courses
$98
$72
FAQs
What is Grokking Design Patterns for Engineers and Managers?
It is a complete tour of the 22 classic design patterns, one lesson each, grouped into creational, structural, and behavioral families. Every pattern is introduced with a real-world example, then its structure as a diagram, then an implementation in code, then where it is applied and what it costs you.
Who is this course for?
Engineers preparing for low level design or object oriented design rounds, developers who keep meeting these names in code reviews and pull requests, and tech leads and managers who need to evaluate a design somebody else proposed. The manager audience is deliberate: the pros and cons material is as useful for judging a design as for producing one.
Which design patterns are covered?
All 22. Creational: singleton, factory method, abstract factory, builder, prototype. Structural: adapter, bridge, composite, decorator, facade, flyweight, proxy. Behavioral: chain of responsibility, command, iterator, mediator, memento, observer, state, strategy, template method, visitor.
Which programming languages are the implementations in?
Python, Java, JavaScript, and C++. Design patterns are language independent as ideas, but they look quite different in practice depending on whether a language has interfaces, first class functions, or duck typing, so seeing more than one implementation is genuinely useful rather than redundant.
Should I learn SOLID before design patterns?
It helps, and the two fit together neatly. SOLID gives you the principles that explain why most of these patterns exist, so learning them first makes the patterns feel like consequences rather than a list to memorise. That said, this course does not assume it, and plenty of people arrive at the principles by way of the patterns instead.
Are design patterns still relevant?
The names are, even where the implementations have changed. Modern languages have absorbed some patterns into their syntax, and a few are used less than they were, but the vocabulary is still how engineers discuss design with each other. Saying "this is a strategy" in a review communicates a whole shape in three words, and being unable to follow that conversation is a real handicap.
Will this help in an interview?
Yes, in the low level design, object oriented design, and machine coding rounds. Naming a pattern scores you very little on its own. Explaining why you chose it over a neighbouring one, and what it costs, is what actually scores, which is why the pros and cons section of each lesson matters more than the class diagram.
How long is the course?
31 lessons, essentially one per pattern plus an introduction and a summary for each family. Because the lessons are independent of one another, it also works as a reference you dip into when a specific pattern comes up, rather than something you must read front to back.
Is the course text-based or video-based?
Text-based, with structure diagrams for every pattern and code alongside. Since you will mostly be comparing a diagram against an implementation, and later comparing one pattern against another, having them on a page beats watching them go past.
Do I get a certificate of completion?
Yes. Design Gurus issues a certificate once you have completed the course, and you can share the link directly or add it to your LinkedIn profile.
