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RAG vs CAG vs Fine-Tuning
Three proven techniques to close the knowledge gap in large language models
Jun 29
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Rafa Páez
24
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RAG vs CAG vs Fine-Tuning
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1
How to Become an AI Engineer
Master the building blocks, the leverage, and the mindset to thrive in AI
Jun 22
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Rafa Páez
16
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How to Become an AI Engineer
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The Modular Monolith Advantage
A practical guide to scaling teams and backends in one codebase
Jun 15
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Rafa Páez
27
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The Modular Monolith Advantage
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8
Build Your First AI Agent
In under 200 lines of Python, I built an agentic AI mentor that teaches, evaluates, and adapts. Here's how you can do it too.
Jun 8
•
Rafa Páez
33
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Build Your First AI Agent
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6
The Engineering Leader’s Guide to System Design
What modern leaders need to know to scale teams and platforms, ship reliably, and avoid costly mistakes
Jun 1
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Rafa Páez
27
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The Engineering Leader’s Guide to System Design
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14
May 2025
Social Capital: The Compound Interest of Your Engineering Career
How high-agency engineers turn trust, credibility, and relationships into visible impact
May 25
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Rafa Páez
31
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Social Capital: The Compound Interest of Your Engineering Career
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3
5 Career Truths Your Manager Can’t Tell You
A no-BS guide for engineers and emerging leaders who want to level up.
May 18
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Rafa Páez
46
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5 Career Truths Your Manager Can’t Tell You
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6
No Thanks: My 7 Non-Negotiables for a Fair Interview Process
How I protect my time, dignity, and career by setting boundaries against broken hiring practices.
May 11
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Rafa Páez
45
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No Thanks: My 7 Non-Negotiables for a Fair Interview Process
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17
The Books That Changed My Life
From leadership to mindset: 46 shelf‑worthy reads that shape how I think, lead, and grow.
May 4
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Rafa Páez
55
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The Books That Changed My Life
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7
April 2025
The Silent Layoff of Low-Agency Engineers
AI won’t take your job. Being passive will.
Apr 27
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Rafa Páez
49
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The Silent Layoff of Low-Agency Engineers
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10
In the Flow: Where Your Best Work Actually Happens
Why Deep Focus, Not Longer Hours, Is the Key to High Performance
Apr 20
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Rafa Páez
31
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In the Flow: Where Your Best Work Actually Happens
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8
The End of Coders (And Why That’s Great News)
How AI is Transforming Software Engineers from Coders into Creators
Apr 13
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Rafa Páez
24
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The End of Coders (And Why That’s Great News)
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