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Insights for engineering leaders

Hiring strategies, LATAM talent trends, and engineering leadership — from people who do this every day.

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Do Paid Trial Projects Work for Contractors?
Talent Strategy
August 9, 20267 min read

Do Paid Trial Projects Work for Contractors?

Do paid trial projects work for hiring contractors? Where they beat interviews, who they filter out, and how to run one fairly.

RE
Roberto Espinoza
How to Scale Engineering From 5 to 20
Leadership
August 9, 20268 min read

How to Scale Engineering From 5 to 20

How to scale an engineering team from 5 to 20: why the old practices break, what to add when, and how not to make things slower by hiring.

RE
Roberto Espinoza
The XY Problem: Asking About the Wrong Thing
Engineering Culture
July 26, 20268 min read

The XY Problem: Asking About the Wrong Thing

The XY problem: people ask about their attempted solution, not the real goal. Why it wastes time, and how good engineers ask past it.

RE
Roberto Espinoza
Two-Way Doors: Make Reversible Decisions Fast
Leadership
July 26, 20268 min read

Two-Way Doors: Make Reversible Decisions Fast

Two-way door decisions: Bezos's framework for reversible vs irreversible calls. Why treating everything as one-way makes teams slow.

RE
Roberto Espinoza
Toil: When to Automate and When to Grind
Engineering Culture
July 26, 20268 min read

Toil: When to Automate and When to Grind

Toil and the automation threshold: Google SRE caps repetitive ops work at 50% of time. Why unchecked toil grows to consume everything.

RE
Roberto Espinoza
Premature Optimization: The Misquoted Rule
Engineering Culture
July 26, 20268 min read

Premature Optimization: The Misquoted Rule

Premature optimization is the root of all evil: Knuth's real quote, why it's misused to dodge all performance work, and what he meant.

RE
Roberto Espinoza
The Rule of Three: When to Actually Abstract
Engineering Culture
July 26, 20268 min read

The Rule of Three: When to Actually Abstract

The rule of three: DRY tempts you to abstract too early, but the wrong abstraction costs more than duplication. When to actually generalize.

RE
Roberto Espinoza
Wirth's Law: Software Outgrows the Hardware
Engineering Culture
July 26, 20268 min read

Wirth's Law: Software Outgrows the Hardware

Wirth's Law: software gets slower faster than hardware gets faster. Why feature bloat eats every hardware gain, and what to do about it.

RE
Roberto Espinoza
Gall's Law: Complex Systems Must Grow From Simple Ones
Leadership
July 26, 20268 min read

Gall's Law: Complex Systems Must Grow From Simple Ones

Gall's Law: complex systems that work grow from simple systems that worked. Why the big-bang rebuild fails and evolution wins.

RE
Roberto Espinoza
Linus's Law and the Limits of Many Eyeballs
Engineering Culture
July 26, 20268 min read

Linus's Law and the Limits of Many Eyeballs

Linus's Law: 'given enough eyeballs, all bugs are shallow.' Why open review helps, and why Heartbleed showed eyeballs aren't enough.

RE
Roberto Espinoza
The Ninety-Ninety Rule: Why the Last 10% Kills You
Leadership
July 26, 20268 min read

The Ninety-Ninety Rule: Why the Last 10% Kills You

The ninety-ninety rule: the first 90% takes 90% of the time, and the last 10% takes another 90%. Why the finish line keeps moving.

RE
Roberto Espinoza
Rubber-Duck Debugging: Why Explaining Unsticks You
Engineering Culture
July 26, 20268 min read

Rubber-Duck Debugging: Why Explaining Unsticks You

Rubber-duck debugging: explaining a problem out loud unsticks you more than staring harder. Why it works, and what it says about hiring.

RE
Roberto Espinoza
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