User Avatar

Corentin GS

9mo ago

Teaching Go for cloud-native microservices to backend beginners. Self-taught developer with 5 years of experience. Making the practical course I wish existed.

The Fundamentals-First Architecture Model
Corentin GS

A simple way to build software that lasts


Why do so many software projects collapse under their weight?

Because they chase the shiny new framework before getting the basics right.

Building strong, lasting systems is simple—if you start with the proper foundation.

And unlike trendy tools that change yearly, this won’t cost you time, sanity, or tech debt.

Instead, use this dead-simple Fundamentals-First Model to build fast, clean, and easy-to-maintain software.


How to use the Fundamentals-First Model to build systems that last

It all comes down to 3 moves: understanding the problem, designing with intention, and building for the long haul.

Step 1: Prioritize core principles, not frameworks
Start with the problem. Define what the system needs to do, who it's for, and what constraints matter most (e.g., speed, scale, cost).
Before touching any tool, pick the right data models, workflows, and boundaries.
✅ Tip: Write your system design out loud, like you're explaining it to a new team member.

Step 2: Make design decisions explicit
Don't let structure "just happen." Make a clear call on how things will be organized, how data flows, and where logic lives.
Write down trade-offs, even if they seem obvious.
⚠️ Mistake to avoid: letting the framework decide structure for you—it’s a trap.

Step 3: Use simplicity as your superpower
Strip the system down to only what it needs. Avoid clever abstractions and focus on clarity.
Write boring code that’s easy to change later.
💡 Example: Instead of overengineering a plugin system, write one clean function that does the job.

Follow these three steps, and you’ll build systems that work today, tomorrow, and years from now.

A few months ago, I reopened an old Go app I had built years back while still learning. It was packed with layers, abstractions, and framework-heavy code because I was benchmarking everything and trying to follow all the “best practices” I read about. But the system was fragile, slow, and hard to maintain. So I rewrote it from scratch—no frameworks, just standard lib, clear structure, and plain logic. The result? 10x faster, half the code, and way easier to reason about. The difference was night and day.


Why this framework works: It’s built on first principles

This approach works because it focuses on the real work of software: thinking clearly before building fast.

Sub-Reason 1: It forces clarity early
You’re not guessing how the system works 6 months later. Every part has a reason to exist, and that clarity means fewer bugs, faster onboarding, and better decisions.

Sub-Reason 2: It reduces unnecessary complexity
Frameworks add magic. Magic adds confusion. By choosing simplicity, you stay in control of what’s happening under the hood—and can debug or change anything without fear.

Sub-Reason 3: It scales with you, not against you
Teams change. Tools evolve. But fundamentals stay solid. When you build on principles—not trends—you can adapt to anything without ripping out the core.


If your app is slow, fragile, or confusing, it’s probably not your code.
It’s the way you think about systems.

Start with fundamentals, and your architecture will take care of itself.

The all-in-one writing platform.

Write, publish everywhere, see what works, and become a better writer - all in one place.

Trusted by 80,000+ writers