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Careers at FAANG

Careers at FAANG

The Engineering Mindset Behind Reliable Networking Systems – Part 2

Dec 12, 2025

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25 min read

The Engineering Mindset Behind Reliable Networking Systems – Part 2

What it really takes to keep complex systems boring, safe, and fast.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

The Engineering Mindset Behind Reliable Networking Systems – Part 1

Dec 8, 2025

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26 min read

The Engineering Mindset Behind Reliable Networking Systems – Part 1

A deep dive into the core principles for running critical infrastructure without heroics

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Build Systems, Not Sleep-Deprived Heroes: Inside an Autonomous Remediation Pipeline

Dec 1, 2025

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21 min read

Build Systems, Not Sleep-Deprived Heroes: Inside an Autonomous Remediation Pipeline

If your network still relies on people to fix the same faults over and over, it’s not resilient. It’s fragile. Here’s how we changed that.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Shipping Without Fear: Inside Our Zero-Downtime Deployment Culture

Sep 19, 2025

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7 min read

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

Careers at FAANG

If the Control Plane Fails, Nothing Else Matters

Sep 12, 2025

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3 min read

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

Careers at FAANG

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

Sep 5, 2025

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3 min read

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

Careers at FAANG

Capacity Isn’t What You Think It Is

Aug 29, 2025

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4 min read

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

Careers at FAANG

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

Aug 22, 2025

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3 min read

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

Careers at FAANG

Version the Network: GitOps for Routing Policy

Aug 15, 2025

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3 min read

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

Careers at FAANG

What You Declared ≠ What You Run

Aug 8, 2025

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2 min read

What You Declared ≠ What You Run

In hyperscale networks, drift is constant. Here’s how the best engineering teams detect, visualize, and fix issues, all while avoiding burnout among engineers.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Change Control Isn’t Enough: You Need a Deployment System

Jul 31, 2025

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3 min read

Change Control Isn’t Enough: You Need a Deployment System

Safe deployment isn’t "luck." It’s about simulation, canary rollouts, automated rollback, and owning the system end-to-end.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Survival Networking: Resilience at Scale – Part 3

Jul 25, 2025

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2 min read

Survival Networking: Resilience at Scale – Part 3

Built to bend, not break: Real strategies for keeping global platforms alive during major failures.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Survival Networking: Resilience at Scale – Part 2

Jul 20, 2025

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1 min read

Survival Networking: Resilience at Scale – Part 2

Discover how hyperscale networks prepare for the unexpected with precomputed failover paths, dynamic traffic shaping, and global-scale coordination.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Survival Networking: What I Learned About Resilience at Scale from FAANG

Jul 17, 2025

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2 min read

Survival Networking: What I Learned About Resilience at Scale from FAANG

Lessons from the trenches of big tech: why traditional networking breaks, and how to engineer for resilience, scale, and career growth.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Building for Multi-Terabit Failures, Not Single-Device Redundancy

Jul 1, 2025

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5 min read

Building for Multi-Terabit Failures, Not Single-Device Redundancy

Learn why traditional redundancy isn’t enough, and how to engineer for Terabit-class resilience

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Autonomous Remediation: Scaling Beyond Human Response

Jun 24, 2025

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3 min read

Autonomous Remediation: Scaling Beyond Human Response

Learn How Hyperscalers Automatically Detect and Fix Problems Without Human Input

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

From CLI to APIs: Why Hyperscale Networks Left Manual CLI Behind (and Never Looked Back)

Jun 15, 2025

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3 min read

From CLI to APIs: Why Hyperscale Networks Left Manual CLI Behind (and Never Looked Back)

Transition From Manual CLI Workflows to Scalable, API-driven Network Engineering

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Postmortem Excellence: A Network Engineer's Guide to Learning from Failure

Jun 12, 2025

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4 min read

Postmortem Excellence: A Network Engineer's Guide to Learning from Failure

Because Every Failure Becomes an Opportunity to Level Up

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Designing Networks for Blast Radius Containment: Why Hyperscales Do It

Jun 11, 2025

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4 min read

Designing Networks for Blast Radius Containment: Why Hyperscales Do It

Failures Are Inevitable, So Architect Your Networks To Fail Gracefully.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

When Familiar Protocols Meet Unfamiliar Scale

Jun 8, 2025

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13 min read

When Familiar Protocols Meet Unfamiliar Scale

What You Think You Know About BGP Breaks At Hyperscale

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Validate Before You Automate: Why Network Simulation is Vital at Hyperscale

Jun 6, 2025

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3 min read

Validate Before You Automate: Why Network Simulation is Vital at Hyperscale

Automation Without Simulation Is A Recipe For Disaster At Scale.

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Why Observability Is Non-Negotiable for Network Engineering at Scale

Jun 5, 2025

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6 min read

Why Observability Is Non-Negotiable for Network Engineering at Scale

Forget Dashboards. Build Observability Pipelines That Detect, Explain, and Prevent

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Declarative Infrastructure in Network Engineering

Jun 2, 2025

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8 min read

Declarative Infrastructure in Network Engineering

Why It’s the Foundation of Modern, Scalable, and Reliable Networks

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

Leadership Principles and Performance Reviews: How You're Actually Measured at FAANG

Jun 2, 2025

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5 min read

Leadership Principles and Performance Reviews: How You're Actually Measured at FAANG

You Might Be Great at Networking, But That’s Not How You Survive at a FAANG

Leonardo Furtado
Leonardo Furtado

Careers at FAANG

The Silent Meetings, The Sharp Questions, and the Writing Culture That Defines Success at FAANG

Jun 1, 2025

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4 min read

The Silent Meetings, The Sharp Questions, and the Writing Culture That Defines Success at FAANG

Inside the Meeting Rooms of FAANG: Where Ideas Are Written, Read in Silence, and Challenged Relentlessly

Leonardo Furtado
Leonardo Furtado
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The Routing Intent
by Leonardo Furtado

Where network engineering meets clarity, scale, and purpose.

© 2025 The Routing Intent by Leonardo Furtado.

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