March 26th, 2024 update: Revised Book Outline Based on Learnings Teaching TWSE & Timeline

  • What’s new?

    • Outline based on learnings from teaching/making TSWE (see below)
    • Timeline for completion
  • Story

    • The story of the book over the last year up to date

      • Problem: divergence, “introduction”
    • How I've used the last year of working on the course to refine down the final version of the book
    • The top-down writing philosophy and process to realize the vision for this book, course & community
    • The big mistakes & learnings I made along the way in actualizing my vision

      • Learnings: top-down, start w/ coaching/teaching

Howdy 👋

This is an online wiki and book about the basics of software design and architecture with TypeScript by Khalil Stemmler, Developer Advocate @ Apollo GraphQL .

This book’s mission is to teach developers the essential skills and practices to write testable, flexible, and maintainable code.

You can read more about the learning journey in the "Software Design and Architecture Roadmap 🖼️".

Already bought it?

If you’ve already purchased the book, click here to re-send your link. You can read the online wiki or download a copy of the book in PDF, EPUB, and Kindle versions.

Want access?

You can read the intro to the book for free and visit to buy the book/wiki (it's currently on pre-sale for 33% off)! For recent updates, click here. To get an idea of my writing, read some of my best free content here and here.

Need help?

Something not working? Have a question? You can reach me on Twitter or