The T-Shaped Dev

CQRS Without the Astronaut Architecture

You don't need event sourcing or a second database. Just split reads from writes, and finally fix the 20-method service nobody wants to open.

Jun 21

8

You're Using React Compound Components Wrong

The most-copied example in every tutorial is the one place you shouldn't use them.

Jun 16

13

1

How to Stop Charging Customers Twice: A Practical Idempotency Guide

Idempotency in plain English: HTTP, message queues, and the one detail that decides whether it's real.

Jun 9

18

May 2026

My Frontend Stack In 2026

The tools I actually reach for when building production apps, from framework to the moment a user hits a bug.

May 23

58

1

4

Stacked PRs: The Code Review Workflow That Changed How I Ship Features

Stacked diffs, the workflow Meta and Google ship on. (7 min)

May 13

21

3

3

20 Mistakes That Quietly Destroy JavaScript/TypeScript Codebases (Part 2)

Common JS/TS patterns that feel fine until they don't. 11 mistakes, before/after code for each. (11 min)

May 9

17

20 Mistakes That Quietly Destroy JavaScript/TypeScript Codebases (Part 1)

Common JS/TS patterns that feel fine until they don't. 11 mistakes, before/after code for each. (11 min)

May 2

37

6

4

April 2026

ES2025 Features You Should Actually Use

Learn about eight features you must adapt today in your production codebase. (9 min)

Apr 22

23

3

1

Vertical Slice Architecture in Node.js: One Folder Per Use Case

Why organizing by domain module isn't enough and what to do instead. (8 min)

Apr 11

26

2

2

March 2026

Dependency Injection in Node.js & TypeScript. The Part Nobody Teaches You

Learn the hidden costs about importing everything directly and the structural change you need to make. (8 min)

Mar 29 • Petar Ivanov

41

4

4

Screaming Architecture & Colocation: Let Your Project Structure Tell the Story

Learn why you should organize your code by what your app actually does, not by technical roles. (5 min)

Mar 14

21

6

1

February 2026

4 Disciplines That Separate Effective Engineers From Busy Ones

Learn about the daily habits that help engineers be more effective. (7 min)

Feb 24

31

2

8