The Routing Intent by Leonardo Furtado

The Routing Intent by Leonardo Furtado

Where network engineering meets clarity, scale, and purpose.

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Why I Created The Routing Intent

Why I Created The Routing Intent

We don’t need more tutorials. We need better engineers. Here's how I plan to help.

Leonardo Furtado
Leonardo Furtado
Next Hop IrelandNext Hop Ireland
This is How I’m Giving Back to Ireland (and You Can Be Part of It)

This is How I’m Giving Back to Ireland (and You Can Be Part of It)

A new way to grow talent, build community, and transform lives

Leonardo Furtado
Leonardo Furtado

Archive

Careers at FAANGCareers at FAANG
Shipping Without Fear: Inside Our Zero-Downtime Deployment Culture

Shipping Without Fear: Inside Our Zero-Downtime Deployment Culture

At hyperscale, speed doesn’t kill. Poor culture does. We unpack how safe rollouts are built through trust, clarity, and muscle memory, not just pipelines and scripts.

Leonardo Furtado
Leonardo Furtado
Packets & PythonPackets & Python
Chapter 18: Writing Smarter Network Scripts with Python Lambdas

Chapter 18: Writing Smarter Network Scripts with Python Lambdas

Python lambdas help you write composable, testable, and elegant logic for device filtering, config validation, and more.

Leonardo Furtado
Leonardo Furtado
Careers at FAANGCareers at FAANG
If the Control Plane Fails, Nothing Else Matters

If the Control Plane Fails, Nothing Else Matters

Your data plane moves packets. Your control plane moves decisions. If the latter breaks, the former doesn’t matter. This is how we protect the network’s brain.

Leonardo Furtado
Leonardo Furtado
Architecture and DesignArchitecture and Design
When $100 Million Cloud Bills Make Sense

When $100 Million Cloud Bills Make Sense

Not all expensive cloud bills are bad, and not all cheap ones are smart. Learn how to interpret cloud cost through the lens of architecture, performance, and business alignment.

Leonardo Furtado
Leonardo Furtado
Careers at FAANGCareers at FAANG
Networking and Platform Aren’t Separate Systems: They Never Were

Networking and Platform Aren’t Separate Systems: They Never Were

Network and platform teams are often divided by priorities, tools, and language but they’re solving the same problem. When you bridge that divide, systems stop breaking quietly.

Leonardo Furtado
Leonardo Furtado
Packets & PythonPackets & Python
Chapter 17: How Python Functions Turn Repetitive Network Logic into Elegant Automation - Part 1

Chapter 17: How Python Functions Turn Repetitive Network Logic into Elegant Automation - Part 1

Learn how to write clean, reusable functions that turn your automation logic into maintainable building blocks—shifting from repetition into elegant engineering.

Leonardo Furtado
Leonardo Furtado
Careers at FAANGCareers at FAANG
Capacity Isn’t What You Think It Is

Capacity Isn’t What You Think It Is

70% utilization doesn’t make you safe. In hyperscale networks, real capacity is what remains standing after failure. Let’s build for the world as it breaks.

Leonardo Furtado
Leonardo Furtado
Packets & PythonPackets & Python
Chapter 16: Automate Repetition - Python Loops for Network Engineers

Chapter 16: Automate Repetition - Python Loops for Network Engineers

Discover how Python loops eliminate repetitive CLI work, making your automation smarter, safer, and ready for scale, even in complex nested data.

Leonardo Furtado
Leonardo Furtado
Careers at FAANGCareers at FAANG
PR Accepted, Outage Denied: The Hidden Power of Code Review

PR Accepted, Outage Denied: The Hidden Power of Code Review

From blast radius awareness to rollback plans and team trust, network code reviews are how we replace heroics with systems. Here’s how to get it right.

Leonardo Furtado
Leonardo Furtado
Packets & PythonPackets & Python
Chapter 15: Decision-Making with Comparators and Conditionals

Chapter 15: Decision-Making with Comparators and Conditionals

From == to if/elif/else, this guide shows network engineers how to teach Python to think clearly, compare accurately, and act intelligently.

Leonardo Furtado
Leonardo Furtado
Careers at FAANGCareers at FAANG
Version the Network: GitOps for Routing Policy

Version the Network: GitOps for Routing Policy

Routing policy shouldn't live in terminals or tribal memory. This is your blueprint for building versioned, automated, and auditable networks using GitOps.

Leonardo Furtado
Leonardo Furtado
Packets & PythonPackets & Python
Chapter 14: Python Collections in Action - A Network Engineer’s Walkthrough

Chapter 14: Python Collections in Action - A Network Engineer’s Walkthrough

Learn how each Python data type maps to real-world networking tasks in this guided exercise packed with lessons and logic.

Leonardo Furtado
Leonardo Furtado
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