Medium

Carlos Arguelles

Carlos Arguelles

·

Aug 9

Milliseconds matter: a tiny experiment

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

Milliseconds matter: a tiny experiment

Carlos Arguelles

·

Aug 1

The test environment problem nobody has solved

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

The test environment problem nobody has solved

Carlos Arguelles

·

Jul 27

Sometimes Efficiency Is Just Turning the Suitcase the Other Way

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Sometimes Efficiency Is Just Turning the Suitcase the Other Way

Carlos Arguelles

·

Jun 2

AI-Native Testing: Adapting our Validation Practices for Accelerated Development

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

AI-Native Testing: Adapting our Validation Practices for Accelerated Development

Carlos Arguelles

·

Apr 26

Adventures in 30 Years in Engineering Productivity

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

Adventures in 30 Years in Engineering Productivity

Carlos Arguelles

·

Mar 22

The Outer Loop is Dead: Rethinking how we test

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

The Outer Loop is Dead: Rethinking how we test

Carlos Arguelles

·

Oct 5, 2025

Why you should build a computer from scratch with your kid

If Medium puts this content behind a paywall, you can also view it here (LinkedIn)

Why you should build a computer from scratch with your kid

Carlos Arguelles

·

Aug 9, 2025

Amazon’s journey with mobile testing infrastructure

If Medium puts this content behind a paywall, you can also view it here (LinkedIn)

Amazon’s journey with mobile testing infrastructure

Carlos Arguelles

·

Jun 29, 2025

Why I’m Betting on LLMs for UI Testing

Right now, we have two GenAI camps — the All-In-Folks and the Skeptics. Some people view GenAI as the solution to every problem in the…

Why I’m Betting on LLMs for UI Testing

Carlos Arguelles

·

Dec 28, 2024

On Launching versus Landing

If Medium puts this content behind a paywall, you can also view it here (LinkedIn).

On Launching versus Landing

Carlos Arguelles

Carlos Arguelles

Hi! I'm a Senior Principal Engineer at Amazon. In the last 27 years, I've worked at Google and Microsoft as well.

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