KHALIL STEMMLER

Currently

Spinning "Virgo's Maze" by Part Time

Reading "Patterns of Enterprise Application Architecture" by Martin Fowler

🚨 I'm writing a book! 📗

Introduction to software architecture & design principles with Node.js and TypeScript

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Advanced TypeScript & Node.js best practices for large-scale applications. Learn to write flexible, maintainable software.

I create courses, books, and articles for aspiring developers on Enterprise Node.js, Domain-Driven Design and writing testable, flexible JavaScript.

recent articles

Name, Construct & Structure | Organizing Readable Code - Part 1 Software Design

Jun 15th, 2019 / 6 min read

typescript javascript

Naming files & folders well, using well-understood technical constructs and strategically organizing files well are three ways to ...

by Khalil Stemmler

Domain Knowledge & Interpretation of the Single Responsibility Principle | SOLID Node.js + TypeScript Software Design

Jun 13th, 2019 / 8 min read

solid software design advanced object-oriented programming

The Single Responsibility Principle specifies that a class or function should only have one reason to change. Admittedly, that's n...

by Khalil Stemmler

Over $85 billion spent on fixing bad code [bootcamps, junior devs, JavaScript, and software design principles]Web Development

Jun 7th, 2019 / 10 min read

node.js software design javascript

More and more money is being spent by companies on maintaining bad JavaScript code. Here's where I think our industry needs to cha...

by Khalil Stemmler

Clean Node.js Architecture | Enterprise Node.js + TypeScript Enterprise Node + TypeScript

Jun 6th, 2019 / 7 min read

node.js architecture enterprise software

In this article, we'll look at the various different versions of the "clean architecture", simplify it, and understand how we can ...

by Khalil Stemmler

Understanding Domain Entities [with Examples] - DDD w/ TypeScript Domain-Driven Design

May 28th, 2019 / 12 min read

ddd typescript software design

Entities are the first natural place we should aim to place business logic in domain-driven applications. In this article, we talk...

by Khalil Stemmler

Knowing When CRUD & MVC Isn't Enough | Enterprise Node.js + TypeScript Enterprise Node + TypeScript

May 24th, 2019 / 13 min read

node.js typescript architecture enterprise software

MVC the granddaddy of application architectures. In this article, we explore common MVC patterns, the responsibilities of the "M"-...

by Khalil Stemmler

🚨 I'm writing a book! 📗

Introduction to software architecture & design principles with Node.js and TypeScript

Get the free ebook

recently edited wikis

Active Record

Updated May 25th, 2019 / 1 min read

software design enterprise application architecture

An `Active Record` is a model that stores an in-memory representation of a database row or document.

Clean Architecture

Updated May 25th, 2019 / 1 min read

architecture software design software architecture

Clean architecture refers to organizing the project so that it's easy to understand and easy to change as the project grows.