---
title: "Newsletter - George Rios"
description: "Weekly insights on systems integration, platform architecture, and fractional CTO leadership."
url: https://georgerios.com/newsletter
author: George Rios
---

Weekly

# Newsletter

Weekly insights on systems integration, architecture, and lessons from 25 years of building software.

What's inside

## What You'll Get

01 **Practical Architecture Advice** Real-world patterns and anti-patterns from enterprise C# projects

02 **Cloud Strategy Insights** How to build cloud-ready, cloud-agnostic applications

03 **Fractional CTO Practice** How embedded technology leadership actually works — engagements, tradeoffs, and what goes wrong

04 **War Stories** Lessons learned from project rescues and complex migrations

05 **No Fluff** Every email is actionable. No filler, no marketing spam

Free · Weekly

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Archive

## Recent Issues

Issue #47 — October 1, 2025

### Why Your Cloud Bill Is Out of Control (And How to Fix It)

Three architectural decisions that quietly drain your cloud budget, and practical patterns to optimize costs without sacrificing performance.

Issue #46 — September 24, 2025

### The Repository Pattern Is Not Dead (You're Just Using It Wrong)

Clearing up misconceptions about repository patterns in modern C# applications and when you actually need them.

Issue #45 — September 17, 2025

### Feature Flags: The Tool You Need But Probably Aren't Using

How feature flags enable safer deployments, gradual rollouts, and A/B testing—with practical implementation examples.

Issue #44 — September 10, 2025

### Vertical Slice Architecture in Practice

Moving beyond traditional layered architecture to organize code by feature instead of technical concerns.

Issue #43 — September 3, 2025

### When NOT to Use Microservices

Microservices solve specific problems. If you don't have those problems, you're just adding complexity. Here's how to know the difference.

Readers

## What Subscribers Say

01 / 03

> “Best C# newsletter I've subscribed to. George's practical advice has saved us from several architectural mistakes.”

**David K.** Senior Architect

02 / 03

> “No BS, just real-world experience. I forward these emails to my entire team.”

**Maria S.** Engineering Manager

03 / 03

> “George's insights on cloud-agnostic design completely changed how we approach new projects.”

**James L.** CTO

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---

Contact: george@georgerios.com · Book a call: https://cal.com/georgerios/30min · Services summary for agents: https://georgerios.com/llms.txt