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Paolo Perrone

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From Beginner to AI/ML Pro in 2025: The Step-by-Step Roadmap that Gets You Hired

When I first decided to break into AI and machine learning, it felt like stepping into a maze without a map.

May 6

From Beginner to AI/ML Pro in 2025: The Step-by-Step Roadmap that Gets You Hired

May 6

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AI Agents in 5 Levels of Difficulty (and How To Full Code Implementation)

About two weeks before a big product deadline, my prototype agent broke in the worst way.

May 19

AI Agents in 5 Levels of Difficulty (and How To Full Code Implementation)

May 19

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The Open-Source Stack for AI Agents

I remember sitting down one weekend, convinced I was finally going to build a decent prototype of a research assistant agent. Nothing fancy…

Apr 21

The Open-Source Stack for AI Agents

Apr 21

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The Complete Guide to Building Your First AI Agent with LangGraph. (It’s Easier Than You Think)

Three months into building my first commercial AI agent, everything collapsed during the client demo.

Mar 11

The Complete Guide to Building Your First AI Agent with LangGraph. (It’s Easier Than You Think)

Mar 11

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Featurewiz-Polars: A Robust and Scalable Solution for Feature Selection with XGBoost

Feature selection is a critical step in building efficient machine learning models. I learned this the hard way.

Feb 25

Featurewiz-Polars: A Robust and Scalable Solution for Feature Selection with XGBoost

Feb 25

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The 5 Most Surprising, Ingenious Data Structures and What They Actually Do

Anyone who’s ever used a keyboard trying to get stuff done on a computer should know the seven foundational data structures of computer…

1d ago

The 5 Most Surprising, Ingenious Data Structures and What They Actually Do

1d ago

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Why Most AI Agents Fail in Production (And How to Build Ones That Don’t)

I’m a 8+ years Machine Learning Engineer building AI agents in production.

Jun 16

Why Most AI Agents Fail in Production (And How to Build Ones That Don’t)

Jun 16

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Data Science Collective

The Ultimate List of 50 LLMs Interview Question • Master LLMs, Crack Your Next Interview

If you’ve ever sat down to prep for an LLM interview and ended up with 30 tabs open on attention mechanisms, LoRA, and tokenization —…

Jun 12

The Ultimate List of 50 LLMs Interview Question • Master LLMs, Crack Your Next Interview

Jun 12

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Data Science Collective

How to Find the Right Distribution for Your Data: A Practical Guide for Non-Statistician

With Two Interactive Tools to Get it Right

Jun 5

How to Find the Right Distribution for Your Data: A Practical Guide for Non-Statistician

Jun 5

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Data Science Collective

Stop Using AWS.

How many times have you seen someone build an MVP stacked with every AWS service imaginable — only to watch it quietly die?

May 27

Stop Using AWS.

May 27

Paolo Perrone

Paolo Perrone

Founding Editor Data Science Collective ✍️ | 50k+ followers on LinkedIn 🤖 | Join The Tech Audience Accelerator 👉 https://shorturl.at/rBsrt

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