Engineer’s Codex

Tokenmaxxing, Promomaxxing, and Misaligned Incentives in Tech

When a measure becomes a target, it ceases to be a good measure.

May 7 • Engineer's Codex

37

3

4

April 2026

What every dev should know about AI sandboxes

An important primitive for the new "AI agent era"

Apr 25 • Engineer's Codex

46

1

3

Diving into Claude Code's Source Code Leak

Engineer’s Codex is a publication about real-world software engineering.

Apr 1 • Engineer's Codex

185

2

27

December 2025

Everyone is a Staff Engineer Now

Engineer’s Codex is a newsletter about real-world engineering.

Dec 22, 2025 • Engineer's Codex

90

9

3

September 2025

How to Write "Garbage Code" (by Linus Torvalds)

Linus Torvalds, Creator of Git and Linux, on reducing cognitive load

Sep 12, 2025 • Engineer's Codex

466

57

52

May 2025

How Cursor Indexes Codebases Fast

Merkle Trees in the real world

May 10, 2025 • Engineer's Codex

191

2

23

March 2025

Metric-Driven Development and The Claude Effect

Sometimes, feels have to be trusted over figures

Mar 9, 2025 • Engineer's Codex

36

1

November 2024

5 Non-LLM Software Trends To Be Excited About

Innovations outside the AI spotlight

Nov 12, 2024 • Engineer's Codex

143

4

13

October 2024

How Fireship became YouTube's favorite programmer

How Fireship wins YouTube

Oct 9, 2024

41

September 2024

The Boolean Trap

Use enums instead

Sep 5, 2024

87

20

4

July 2024

Good programmers worry about data structures and their relationships

Wisdom from Linus Torvalds, the creator of Git and Linux

Jul 8, 2024

161

12

10

April 2024

4 Software Design Principles I Learned the Hard Way

If there’s two sources of truth, one is probably wrong. And yes, please repeat yourself.

Apr 22, 2024

165

14

11