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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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Naming Things: The Research on Readable Code
Engineering Culture
July 19, 20268 min read

Naming Things: The Research on Readable Code

Naming and code comprehension: research found full words best and single letters worst, with abbreviations often statistically tied. Why names matter.

RE
Roberto Espinoza
Broken Windows: Why Small Messes Spread
Engineering Culture
July 19, 20268 min read

Broken Windows: Why Small Messes Spread

Broken windows in code: why one unfixed mess invites more. The Pragmatic Programmer's software-entropy metaphor, and its honest limits.

RE
Roberto Espinoza
The Cone of Uncertainty in Estimation
Leadership
July 19, 20268 min read

The Cone of Uncertainty in Estimation

The cone of uncertainty: early estimates can be off 4x either way, a 16x range, narrowing as you learn. How to estimate honestly.

RE
Roberto Espinoza
Hyrum's Law: Every Behavior Becomes a Contract
Engineering Culture
July 19, 20268 min read

Hyrum's Law: Every Behavior Becomes a Contract

Hyrum's Law: with enough users, every observable behavior of your system gets depended on, including bugs. What that means for changing code safely.

RE
Roberto Espinoza
No Silver Bullet: Essential vs Accidental Complexity
Leadership
July 19, 20269 min read

No Silver Bullet: Essential vs Accidental Complexity

No Silver Bullet: Brooks's essential vs accidental complexity explains why no tool delivers 10x. What's actually left to optimize in software.

RE
Roberto Espinoza
The 80/20 Rule of Bugs
Engineering Culture
July 19, 20268 min read

The 80/20 Rule of Bugs

The 80/20 rule of bugs: Microsoft found 20% of bugs caused 80% of crashes, and 1% caused half. Why defects cluster and how to prioritize.

RE
Roberto Espinoza
Team Familiarity: Why Keeping Teams Together Wins
Leadership
July 19, 20268 min read

Team Familiarity: Why Keeping Teams Together Wins

Team familiarity: Harvard research on software services found teams who've worked together before ship better and faster. Why reshuffling costs you.

RE
Roberto Espinoza
The Peter Principle in Engineering
Leadership
July 19, 20269 min read

The Peter Principle in Engineering

The Peter Principle: research on 40,000 workers found firms promote top performers who become worse managers. What it means for engineering.

RE
Roberto Espinoza
Build vs Buy: A Framework for Startups
Leadership
July 12, 20268 min read

Build vs Buy: A Framework for Startups

Build vs buy for startups: the deciding question is whether it's a core competency. Build what differentiates you, buy the solved problems.

RE
Roberto Espinoza
The Dunning-Kruger Effect in Engineering
Leadership
July 12, 20268 min read

The Dunning-Kruger Effect in Engineering

The Dunning-Kruger effect in engineering: why the least skilled can be the most confident, what the research really says, and why it matters for hiring.

RE
Roberto Espinoza
Observability: You Can't Fix What You Can't See
Engineering Culture
July 12, 20268 min read

Observability: You Can't Fix What You Can't See

Observability: logs, metrics, and traces let a team see inside its systems. Why you can't fix what you can't see, and what the three pillars do.

RE
Roberto Espinoza
Tech Lead vs Engineering Manager: The Pendulum
Leadership
July 12, 20268 min read

Tech Lead vs Engineering Manager: The Pendulum

Tech lead vs engineering manager: Charity Majors' pendulum says the best leaders swing between building and managing, not pick one forever.

RE
Roberto Espinoza
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